{"type": "FeatureCollection", "features": [{"id": "10.1002/eap.1648", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:14:06Z", "type": "Journal Article", "created": "2017-11-07", "title": "Crop rotations for increased soil carbon: perenniality as a guiding principle", "description": "Abstract<p>More diverse crop rotations have been promoted for their potential to remediate the range of ecosystem services compromised by biologically simplified grain\uffe2\uff80\uff90based agroecosystems, including increasing soil organic carbon (SOC). We hypothesized that functional diversity offers a more predictive means of characterizing the impact of crop rotations on SOC concentrations than species diversity per se. Furthermore, we hypothesized that functional diversity can either increase or decrease SOC depending on its associated carbon (C) input to soil. We compiled a database of 27 cropping system sites and 169 cropping systems, recorded the species and functional diversity of crop rotations, SOC concentrations (g C kg/soil), nitrogen (N) fertilizer applications (kg\uffc2\uffa0N\uffc2\uffb7ha\uffe2\uff88\uff921\uffc2\uffb7yr\uffe2\uff88\uff921), and estimated C input to soil (Mg\uffc2\uffa0C\uffc2\uffb7ha\uffe2\uff88\uff921\uffc2\uffb7yr\uffe2\uff88\uff921). We categorized crop rotations into three broad categories: grain\uffe2\uff80\uff90only rotations, grain rotations with cover crops, and grain rotations with perennial crops. We divided the grain\uffe2\uff80\uff90only rotations into two sub\uffe2\uff80\uff90categories: cereal\uffe2\uff80\uff90only rotations and those that included both cereals and a legume grain. We compared changes in SOC and C input using mean effect sizes and 95% bootstrapped confidence intervals. Cover cropped and perennial cropped rotations, relative to grain\uffe2\uff80\uff90only rotations, increased C input by 42% and 23% and SOC concentrations by 6.3% and 12.5%, respectively. Within grain\uffe2\uff80\uff90only rotations, cereal\uffc2\uffa0+\uffc2\uffa0legume grain rotations decreased total C input (\uffe2\uff88\uff9216%), root C input (\uffe2\uff88\uff9212%), and SOC (\uffe2\uff88\uff925.3%) relative to cereal\uffe2\uff80\uff90only rotations. We found no effect of species diversity on SOC within grain\uffe2\uff80\uff90only rotations. N fertilizer rates mediated the effect of functional diversity on SOC within grain\uffe2\uff80\uff90only crop rotations: at low N fertilizer rates (\uffe2\uff89\uffa475\uffc2\uffa0kg N\uffc2\uffb7ha\uffe2\uff88\uff921\uffc2\uffb7yr\uffe2\uff88\uff921), the decrease in SOC with cereal\uffc2\uffa0+\uffc2\uffa0legume grain rotations was less than at high N fertilizer rates. Our results show that increasing the functional diversity of crop rotations is more likely to increase SOC concentrations if it is accompanied by an increase in C input. Functionally diverse perennial and cover cropped rotations increased both C input and SOC concentrations, potentially by exploiting niches in time that would otherwise be unproductive, that is, increasing the \uffe2\uff80\uff9cperenniality\uffe2\uff80\uff9d of crop rotations.</p>", "keywords": ["Crops", " Agricultural", "2. Zero hunger", "Science", "Ecology and Evolutionary Biology", "Agriculture", "Fabaceae", "cropping systems", "04 agricultural and veterinary sciences", "15. Life on land", "functional diversity", "Poaceae", "sustainable agriculture", "Soil", "meta\u2010analysis", "soil organic matter", "0401 agriculture", " forestry", " and fisheries", "cover crops", "soil carbon", "Organic Chemicals", "perennials", "Fertilizers", "nitrogen fertilizer", "biodiversity"]}, "links": [{"href": "https://doi.org/10.1002/eap.1648"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Ecological%20Applications", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1002/eap.1648", "name": "item", "description": "10.1002/eap.1648", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1002/eap.1648"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2017-12-27T00:00:00Z"}}, {"id": "10.1007/978-1-4020-5760-1_55", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:14:18Z", "type": "Journal Article", "created": "2006-10-03", "title": "Comparative Short-Term Effects Of Different Quality Organic Resources On Maize Productivity Under Two Different Environments In Zimbabwe", "description": "Major challenges for combined use of organic and mineral nutrient sources in smallholder agriculture include variable type and quality of the resources, their limited availability, timing of their relative application and the proportions at which the two should be combined. Short-term nutrient supply capacity of five different quality organic resources ranging from high to low quality, namely Crotalaria juncea, Calliandra calothyrsus, cattle manure, maize stover and Pinus patula sawdust were tested in the field using maize as a test crop. The study was conducted on two contrasting soil types at Makoholi and Domboshawa, which fall under different agro-ecological regions of Zimbabwe. Makoholi is a semi-arid area ( 750 mm yr\u22121) soils are sandy-clay loams with 220 g kg\u22121 clay. Each organic resource treatment was applied at low (2.5 t C ha\u22121) and high (7.5 t C ha\u22121) biomass rates at each site. Each plot was sub-divided into two with one half receiving 120 kg N ha\u22121 against zero in the other. At Makoholi, there was a nine-fold increase in maize grain yield under high application rates of C. juncea over the unfertilized control, which yielded only 0.4 t ha\u22121. Combinations of mineral N fertilizer with the leguminous resources and manure resulted in between 24% and 104% increase in grain yield against sole fertilizer, implying an increased nutrient recovery by maize under organic\u2013mineral combinations. Maize biomass measured at 2 weeks after crop emergence already showed treatment differences, with biomass yields increasing linearly with soil mineral N availability (R2 = 0.75). This 2-week maize biomass in turn gave a positive linear relationship (R2 = 0.82) with grain yield suggesting that early season soil mineral N availability largely determined final yield. For low quality resources of maize stover and sawdust, application of mineral N fertilizer resulted in at least a seven-fold grain yield increase compared with sole application of the organic resources. Such nutrient combinations resulted in grain harvest indices of between 44% and 48%, up from a mean of 35% for sole application, suggesting the potential of increasing maize productivity from combinations of low quality resources with mineral fertilizer under depleted sandy soils. At Domboshawa, grain yields averaged 7 t ha\u22121 and did not show any significant treatment differences. This was attributed to relatively high levels of fertility under the sandy-clay loams during this first year of the trial implementation. Differences in N supply by different resources were only revealed in grain and stover uptake. Grain N concentration from the high quality leguminous resources averaged 2% against 1.5% from sawdust treatments. We conclude that early season soil mineral N availability is the primary regulatory factor for maize productivity obtainable under poor sandy soils. Maize biomass at 2 weeks is a potential tool for early season assessment of potential yields under constrained environments. However, the likely impact on system productivity following repeated application of high N-containing organic materials on different soil types remains poorly understood.", "keywords": ["0106 biological sciences", "2. Zero hunger", "yields", "fertilizer application", "abonos nitrogenados", "04 agricultural and veterinary sciences", "15. Life on land", "maize", "01 natural sciences", "ma\u00edz", "nitrogen fertilizers", "0401 agriculture", " forestry", " and fisheries", "organic fertilizers", "abonos org\u00e1nicos", "aplicaci\u00f3n de abonos", "rendimiento"]}, "links": [{"href": "https://doi.org/10.1007/978-1-4020-5760-1_55"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Nutrient%20Cycling%20in%20Agroecosystems", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1007/978-1-4020-5760-1_55", "name": "item", "description": "10.1007/978-1-4020-5760-1_55", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1007/978-1-4020-5760-1_55"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2006-10-03T00:00:00Z"}}, {"id": "10.1007/s11104-010-0462-7", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:15:07Z", "type": "Journal Article", "created": "2010-06-16", "title": "Agronomic Use Efficiency Of N Fertilizer In Maize-Based Systems In Sub-Saharan Africa Within The Context Of Integrated Soil Fertility Management", "description": "Traditionally, crop production in sub-Saharan Africa (SSA) depends primarily on mining soil nutrients. Integrated Soil Fertility Management (ISFM) is an approach for intensifying agriculture in SSA that aims at maximizing the agronomic efficiency (AE) of applied nutrient inputs. ISFM contains the following essential components: proper fertilizer management, use of improved varieties, the combined application of organic inputs and fertilizer, and adaptation of input application rates to within-farm soil fertility gradients where these are important. This paper evaluates, through meta-analysis, the impact of these components on the AE of fertilizer N (N-AE), defined as extra grain yield per kg fertilizer N applied, in maize-based systems in SSA. Since N-AE is low for excessive fertilizer N application rates or when fertilizer is applied on fertile, unresponsive soil, as was confirmed by scatter plots against control yields and fertilizer N application rates, such values were removed from the database in order to focus on and elucidate the more variable and complex responses under less than ideal conditions typical for SSA. Compared with local varieties, the use of hybrid maize varieties significantly increased N-AE values (17 and 26\u00a0kg (kg\u00a0N)\u22121, respectively) with no differences observed between local and improved, open-pollinated varieties. Mixing fertilizer with manure or compost resulted in the highest N-AE values [36\u00a0kg (kg\u00a0N)\u22121] while organic inputs of medium quality also showed significantly higher N-AE values compared with the sole fertilizer treatment but only at low organic input application rates (40 and 23\u00a0kg (kg\u00a0N)\u22121, respectively). High quality organic inputs (Class I) and those with a high C-to-N ratio (Class III) or high lignin content (Class IV) did not affect N-AE values in comparison with the sole fertilizer treatment. Application of N fertilizer on infields resulted in significantly higher N-AE values [31\u00a0kg (kg\u00a0N)\u22121] compared with the outfields [17\u00a0kg (kg\u00a0N)\u22121]. The obtained information indicates that N-AE is amenable to improved management practices and that the various components embedded in the ISFM definition result in improvements in N-AE.", "keywords": ["germoplasma", "2. Zero hunger", "nitrogen fertilizers", "soil fertility", "0401 agriculture", " forestry", " and fisheries", "abonos nitrogenados", "04 agricultural and veterinary sciences", "germplasm", "fertilidad del suelo", "15. Life on land", "maize", "africa al sur del sahara", "ma\u00edz"]}, "links": [{"href": "https://doi.org/10.1007/s11104-010-0462-7"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Plant%20and%20Soil", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1007/s11104-010-0462-7", "name": "item", "description": "10.1007/s11104-010-0462-7", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1007/s11104-010-0462-7"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-06-17T00:00:00Z"}}, {"id": "10.1007/s11104-016-2986-y", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:15:13Z", "type": "Journal Article", "created": "2016-07-17", "title": "Interaction Of Long-Term Nitrogen Fertilizer Application, Crop Rotation, And Tillage System On Soil Carbon And Nitrogen Dynamics", "description": "Tillage system and crop rotation influences soil organic carbon (SOC) and total N (TN), but there remains considerable uncertainty in the response of C and N dynamics to fertilizer N inputs. A long-term (11-yr) experiment on a clay loam Orthic Humic Gleysol at Ridgetown, Ontario, Canada was used to evaluate the impact of fertilizer N applications (in-season zero N (\u2212N) compared to (+N) 100 and 80\u00a0kg\u00a0N\u00a0ha-1\u00a0yr.-1 to corn (Zea mays L.) and wheat (Triticum aestivum L.), respectively) on soil attributes. The cropping systems consisted of continuous corn (CC), corn-soybean (Glycine max L.) (C-S) and corn-soybean-wheat (C-S-W) rotations using conventional moldboard plough and no-till systems. Soil was collected from the 0\u2013120\u00a0cm profile in 5, 10, and 20\u00a0cm increments and analyzed for SOC and TN. The effect and interaction of N fertilization on soil attributes was highly dependent on crop rotation and tillage system. The gain in SOC and TN contents due to +N fertilizer was greatest (up to 31 and 57\u00a0% relative to the -N control, respectively) in the 0\u201320\u00a0cm depth with the C-S-W rotation, and lowest under CC, which showed no N fertilizer effect. However, differences in SOC and TN were not confined to the surface 20\u00a0cm, as N fertilizer treatments significantly influenced the contents at 20\u201360 and 60\u2013120\u00a0cm in certain rotation and tillage systems; C-S-W was the most responsive to N fertilizer-induced SOC and TN gains. Using regression analysis, we found that higher SOC contents corresponded to lower variability in the 5-yr. mean corn yield, which suggests that the inclusion of winter wheat in a C-S rotation may have important implications for sustainable and resilient agroecosystems in humid, temperate climates.", "keywords": ["2. Zero hunger", "synthetic nitrogen fertilizer", "no-till", "soil organic matter", "Triticum aestivum", "0401 agriculture", " forestry", " and fisheries", "moldboard plow/plough conventional tillage", "04 agricultural and veterinary sciences", "15. Life on land", "continuous corn Zea mays", "winter wheat Triticum aestivum", "winter wheat"]}, "links": [{"href": "https://doi.org/10.1007/s11104-016-2986-y"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Plant%20and%20Soil", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1007/s11104-016-2986-y", "name": "item", "description": "10.1007/s11104-016-2986-y", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1007/s11104-016-2986-y"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2016-07-18T00:00:00Z"}}, {"id": "10.1007/s13593-013-0173-6", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:15:26Z", "type": "Journal Article", "created": "2013-08-15", "title": "Winter Legumes In Rice Crop Rotations Reduces Nitrogen Loss, And Improves Rice Yield And Soil Nitrogen Supply", "description": "Intensive irrigated rice-wheat crop systems have caused serious soil depletion and nitrogen loss in the Tai Lake region of China. A possible solution is the incorporation of legumes in rice because legumes are a source of nitrogen. There is actually little knowledge on the impact of legumes on rotation, soil fertility, and nitrogen loss. Therefore, we studied the effect of five rice-based rotations, including rice-wheat, rice-rape, rice-fallow, rice-bean, and rice-vetch, on soil nitrogen, rice yield, and runoff loss. A field experiment was conducted in the Tai Lake region from 2009 to 2012. Crop residues from rape, bean, and vetch were used to partially replace chemical fertilizer in rice. Results show that replacing 9.5\u201321.4\u00a0% of mineral nitrogen fertilizer by residues maintained rice yields of rice-rape, rice-bean, and rice-vetch rotations, compared to the rice-wheat reference. Moreover, using legumes as a winter crop in rice-bean and rice-vetch combinations increased rice grain yield over 5\u00a0%, and increased rice residue nitrogen content by 9.7\u201320.5\u00a0%. Nitrogen runoff decreased 30\u201360\u00a0% in rice-rape, rice-bean, and rice-vetch compared with rice-wheat. Soil mineral nitrogen and microbial biomass nitrogen content were also improved by application of leguminous residues.", "keywords": ["2. Zero hunger", "[SDV.SA] Life Sciences [q-bio]/Agricultural sciences", "Runoff nitrogen loss", "04 agricultural and veterinary sciences", "15. Life on land", "Non-point pollution", "Crop rotations", "Legumes", "16. Peace & justice", "6. Clean water", "Soil nitrogen supply capacity", "[SDV.EE] Life Sciences [q-bio]/Ecology", " environment", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "Chemical nitrogen fertilizer reduction", "Rice yield"], "contacts": [{"organization": "Yingliang Yu, Lihong Xue, Linzhang Yang,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.1007/s13593-013-0173-6"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agronomy%20for%20Sustainable%20Development", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1007/s13593-013-0173-6", "name": "item", "description": "10.1007/s13593-013-0173-6", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1007/s13593-013-0173-6"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2013-08-16T00:00:00Z"}}, {"id": "10.1016/j.agee.2010.12.004", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:15:35Z", "type": "Journal Article", "created": "2011-01-27", "title": "Comparison Of Organic Versus Mineral Resource Effects On Short-Term Aggregate Carbon And Nitrogen Dynamics In A Sandy Soil Versus A Fine Textured Soil", "description": "Abstract   Aggregation and stabilization of soil organic C (SOC) and N are highly dependent on soil texture and addition of organic resources (ORs). While OR quality may influence SOC and N stabilization within aggregates, the simultaneous addition of N-fertilizers may enhance OR decomposition resulting in loss of SOC. A mesocosm study was conducted on a clayey soil at Embu and a sandy soil at Machanga in central Kenya to determine the influence of soil texture, OR quality and N-fertilizer on aggregation, SOC and N.  Tithonia diversifolia  (high quality),  Calliandra calothyrsus  (medium quality) and  Zea mays  (maize; low quality) residues, natural abundance or labeled with  15 N, were applied to soil at an equivalent rate of 4\u00a0Mg\u00a0C\u00a0ha \u22121  compared to no input control. Each treatment was fertilized with 120\u00a0kg  14 N or  15 N\u00a0ha \u22121  as (NH 2 ) 2 CO, or not fertilized. Soil samples were collected at installation of the mesocosms (start), and 8 months after installation (end). Soils were separated into different aggregate size fractions by wet sieving and macroaggregates were further fractionated to isolate microaggregates-within-macroaggregates. Total soil and aggregate fractions were analyzed for SOC and N. On average, 20% and 70% of SOC and N was in the macroaggregates in the sandy and clayey soils, respectively. There were no differences among OR quality in both soils but in the clayey soil all ORs resulted in greater SOC and N than in the control. However, proportions of OR-derived N in the macroaggregates, mostly in the microaggregates-within-macroaggregates were greater with sole applied maize in the clayey soil. The addition of N-fertilizer together with maize stover reduced soil N, macroaggregate N, and OR-derived N in the microaggregate and silt and clay fractions within macroaggregates compared to when maize was applied alone. In the sandy soil,  Calliandra  resulted in greater OR-derived N than  Tithonia  in the coarse particulate organic matter (cPOM; i.e., 5% compared to 2% of N applied). Thus, the greater polyphenol concentration in  Calliandra  likely slowed its decomposition compared to that of  Tithonia . In addition, greater proportions of N and residue-derived N in the macroaggregates were observed in the coarse POM in the sandy soil whereas in the clayey soil it was in the microaggregates-within-macroaggregates. We conclude that the preservation of OR-derived N is affected by the chemical recalcitrance of the residues in sandy soils, whereas macroaggregate protection, and not OR quality, is the major factor in clayey soils.", "keywords": ["2. Zero hunger", "soil fertility", "textura del suelo", "enmiendas org\u00e1nicas", "soil texture", "abonos nitrogenados", "04 agricultural and veterinary sciences", "fertilidad del suelo", "15. Life on land", "01 natural sciences", "6. Clean water", "unidades estructurales de suelos", "nitrogen fertilizers", "organic amendments", "0401 agriculture", " forestry", " and fisheries", "ecology", "soil structural units", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.agee.2010.12.004"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agriculture%2C%20Ecosystems%20%26amp%3B%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.agee.2010.12.004", "name": "item", "description": "10.1016/j.agee.2010.12.004", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.agee.2010.12.004"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-03-01T00:00:00Z"}}, {"id": "10.1016/j.atmosenv.2009.02.040", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:15:55Z", "type": "Journal Article", "created": "2009-03-04", "title": "Nitric Oxide Emissions From Conventional Vegetable Fields In Southeastern China", "description": "Abstract   We conducted multi-year observations of nitric oxide (NO) fluxes from typical vegetable fields in the Yangtze River delta, which is located in southeastern China. Flux measurements were performed manually twice per week at intervals of 2\u20133 days, in both fertilized and unfertilized fields, over an investigation period of 1448 days (September 2004\u2013August 2008). In total, twelve vegetable-growing periods and a short fallow period were investigated. On average, the NO fluxes from the fertilized plots were 21 times higher than fluxes from the unfertilized plots ( p  \u22121 . The total amounts of NO emitted during the individual vegetable-growing periods correlated positively and exponentially with the products of seasonal mean soil temperatures and nitrogen addition rates ( R  2 \u00a0=\u00a00.87,  p  d , the loss rate of fertilizer nitrogen via NO emissions) for the four-year period was determined to be 0.51%\u00a0\u00b1\u00a00.11% (standard error of 3 observations). The EF d s of individual vegetable-growing seasons ranged from 0.05% to 1.24%, varying linearly and positively with the products of seasonal mean soil temperatures and nitrogen addition rates ( R  2 \u00a0=\u00a00.58,  p  d s occurred in soils with moisture contents ranging from 55% to 100% water-filled pore space (mean: 79%; standard deviation: 9%). The results of this study indicate that when other conditions remain relatively stable, the direct emission factor, a key parameter for compiling an inventory of NO emissions from vegetable fields, may vary with not only soil temperature but also nitrogen addition.", "keywords": ["Background emission", "13. Climate action", "Soil temperature", "Nitric oxide", "Direct emission factor", "Vegetable", "Nitrogen fertilizer", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.atmosenv.2009.02.040"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Atmospheric%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.atmosenv.2009.02.040", "name": "item", "description": "10.1016/j.atmosenv.2009.02.040", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.atmosenv.2009.02.040"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-06-01T00:00:00Z"}}, {"id": "10.1016/j.atmosenv.2010.11.039", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:15:55Z", "type": "Journal Article", "created": "2010-12-05", "title": "Effect Of Ammonium-Based, Non-Sulfate Fertilizers On Ch4 Emissions From A Paddy Field With A Typical Chinese Water Management Regime", "description": "Abstract   The effects of ammonium-based, non-sulfate fertilizers, such as urea and/or ammonium phosphate (NH4H2PO4), on methane (CH4) emissions from paddy rice fields deserve attention, as they are being used increasingly for rice cultivation. A four-year field campaign was conducted in the Yangtze River Delta from 2004 to 2007 to assess the effects of different application rates of urea plus NH4H2PO4 on the CH4 emissions from a paddy rice field. The experimental field was under a typical Chinese water regime that follows a flooding-midseason drainage-reflooding-moist irrigation mode. Over the course of four years, the mean cumulative CH4 emissions during the rice seasons were 221, 136 and 112\u00a0kg\u00a0C\u00a0ha\u22121 for nitrogen addition rates of 0, 150 and 250\u00a0kg\u00a0N\u00a0ha\u22121, respectively. Compared to the treatment without nitrogen amendments, the 150\u00a0kg\u00a0N\u00a0ha\u22121 decreased the CH4 emissions by 6\u201359% (P", "keywords": ["2. Zero hunger", "Intermittent irrigation", "13. Climate action", "Paddy field", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "Nitrogen fertilizer", "Methane", "6. Clean water"]}, "links": [{"href": "https://doi.org/10.1016/j.atmosenv.2010.11.039"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Atmospheric%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.atmosenv.2010.11.039", "name": "item", "description": "10.1016/j.atmosenv.2010.11.039", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.atmosenv.2010.11.039"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-02-01T00:00:00Z"}}, {"id": "10.1016/j.fcr.2008.10.008", "type": "Feature", "geometry": null, "properties": {"license": "Closed Access", "updated": "2026-04-13T16:16:23Z", "type": "Journal Article", "created": "2008-12-10", "title": "Biochar Amendment Techniques For Upland Rice Production In Northern Laos", "description": "Abstract   The objective of this study was to investigate the effect of biochar application (CA) on soil physical properties and grain yields of upland rice ( Oryza sativa  L.) in northern Laos. During the 2007 wet season, three different experiments were conducted under upland conditions at 10 sites, combining variations in CA amounts (0\u201316\u00a0t\u00a0ha \u22121 ), fertilizer application rates (N and P) and rice cultivars (improved and traditional) in northern Laos.  CA improved the saturated hydraulic conductivity of the top soil and the xylem sap flow of the rice plant. CA resulted in higher grain yields at sites with low P availability and improved the response to N and NP chemical fertilizer treatments. However, CA reduced leaf SPAD values, possibly through a reduction of the availability of soil nitrogen, indicating that CA without additional N fertilizer application could reduce grain yields in soils with a low indigenous N supply. These results suggest that CA has the potential to improve soil productivity of upland rice production in Laos, but that the effect of CA application is highly dependent on soil fertility and fertilizer management.", "keywords": ["Biochar", "Available phosphorus", "Leaf SPAD", "Upland rice", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "Nitrogen fertilizer", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.fcr.2008.10.008"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Field%20Crops%20Research", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.fcr.2008.10.008", "name": "item", "description": "10.1016/j.fcr.2008.10.008", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.fcr.2008.10.008"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-03-01T00:00:00Z"}}, {"id": "10.1016/j.geoderma.2007.11.019", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:16:38Z", "type": "Journal Article", "created": "2008-01-18", "title": "Soil Acidification And Carbon Storage In Fertilized Pastures Of Northeast Thailand", "description": "Abstract   Light textured soils are often characterized as acid to depth that results in low productivity levels. In an effort to address this constraint a four year study was undertaken that evaluated the productivity of Gamba grass (Andropogon gayanus) and Stylosanthes (Stylosanthes guianensis) (Stylo) to grow on these soils. In addition, Gamba grass treatments received either no nitrogen fertilizer (Gamba) or a total 287\u00a0kg N ha\u2212\u00a01 as either KNO3 (Gamba NO3) or (NH4)2SO4 (Gamba NH4). Average annual dry matter production levels for the Gamba, Gamba NO3 and Gamba NH4 were 11.9, 22.5, and 26.6\u00a0t ha\u2212\u00a01 whilst that of the Stylo treatment was 6.9\u00a0t ha\u2212\u00a01. However, the net annual acid addition rates associated with the export of biomass ranged from 5.1\u201313.3\u00a0kmol H+ ha\u2212\u00a01 yr\u2212\u00a01. Rapid acidification of the soil profile was observed to depths\u00a0>\u00a0110\u00a0cm in all treatments regardless of the tempering influence of nitrate based fertilizers. Soil organic carbon levels over the study period showed a 6 fold increase at >\u00a030\u00a0cm from the initial values, suggesting significant carbon sequestration. Whilst the study demonstrates the positive impact of a grass or legume ley in producing forage for livestock in a cut and carry system under rainfed conditions in Northeast Thailand, along with positive contributions to soil organic carbon sequestration, a precautionary approach should be adopted. Significant accelerated soil acidification has occurred to depths\u00a0>\u00a0110\u00a0cm that brings into question the sustainability of these systems on these soil types.", "keywords": ["2. Zero hunger", "carbon", "soil texture", "04 agricultural and veterinary sciences", "15. Life on land", "pastures", "6. Clean water", "acidification", "nitrogen fertilizers", "soil properties", "feeds", "stylosanthes guianensis", "0401 agriculture", " forestry", " and fisheries", "sandy soils", "andropogon gayanus"], "contacts": [{"organization": "Noble, A.D., Suzuki, S., Soda, Wannipa, Ruaysoongnern, Sawaeng, Berthelsen, S.,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.1016/j.geoderma.2007.11.019"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Geoderma", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.geoderma.2007.11.019", "name": "item", "description": "10.1016/j.geoderma.2007.11.019", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.geoderma.2007.11.019"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-03-01T00:00:00Z"}}, {"id": "10.1023/a:1004873206350", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:17:54Z", "type": "Journal Article", "description": "Open AccessUsing a three year trial in Nigeria, this article examines the effectiveness of leguminous cover crops on maize yield in West Africa. Testing multiple types of cover crops, the study universally demonstrates the cover crops conserve nitrogen and result in improvements for maize yield in both drier and wetter years. While the cover crop was more effective in improving nitrogen in wetter conditions, yields still improved during the drier year with the cover crop.", "keywords": ["Soil nutrients", "Soil management", "fertilizers", "Conservation agriculture", "Nitrogen concentration", "legumes", "trials", "Green manure crops", "crops", "Soil fertility", "Soil quality", "Biomass production", "Legume cover crops", "Soil conservation", "Nitrogen fertilizer replacement index", "West Africa", "Maize yield", "Field Scale"], "contacts": [{"organization": "Tian, G., Kolawole, G.O., Kang, B.T., Kirchhof, G.,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.1023/a:1004873206350"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Plant%20and%20Soil", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1023/a:1004873206350", "name": "item", "description": "10.1023/a:1004873206350", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1023/a:1004873206350"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2000-09-01T00:00:00Z"}}, {"id": "10.1023/b:fres.0000019043.33580.a6", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:18:01Z", "type": "Journal Article", "created": "2004-03-10", "title": "Nitrogen Fertilizer Equivalencies Of Organics Of Differing Quality And Optimum Combination With Inorganic Nitrogen Source In Central Kenya", "description": "Decline in crop yields is a major problem facing smallholder farmers in Kenya and the entire Sub-Saharan region. This is attributed mainly to the mining of major nutrients due to continuous cropping without addition of adequate external nutrients. In most cases inorganic fertilizers are expensive, hence unaffordable to most smallholder farmers. Although organic nutrient sources are available, information about their potential use is scanty. A field experiment was set up in the sub-humid highlands of Kenya to establish the chemical fertilizer equivalency values of different organic materials based on their quality. The experiment consisted of maize plots to which freshly collected leaves of Tithonia diversifolia (tithonia), Senna spectabilis (senna) and Calliandra calothyrsus (calliandra) (all with %N>3) obtained from hedgerows grown ex situ (biomass transfer) and urea (inorganic nitrogen source) were applied. Results obtained for the cumulative above ground biomass yield for three seasons indicated that a combination of both organic and inorganic nutrient source gave higher maize biomass yield than when each was applied separately. Above ground biomass yield production in maize (t ha\u22121) from organic and inorganic fertilization was in the order of senna+urea (31.2), tithonia+urea (29.4), calliandra+urea (29.3), tithonia (28.6), senna (27.9), urea (27.4), calliandra (25.9), and control (22.5) for three cumulative seasons. On average, the three organic materials (calliandra, senna and tithonia) gave fertilizer equivalency values for the nitrogen contained in them of 50, 87 and 118%, respectively. It is therefore recommended that tithonia biomass be used in place of mineral fertilizer as a source of nitrogen. The high equivalency values can be attributed to the synergetic effects of nutrient supply, and improved moisture and soil physical conditions of the mulch. However, for sustainable agricultural production, combination with mineral fertilizer would be the best option.", "keywords": ["2. Zero hunger", "Organic", "biomass", "N fertilizer equivalency", "yields", "abonos nitrogenados", "04 agricultural and veterinary sciences", "910", "15. Life on land", "maize", "N-sources", "6. Clean water", "ma\u00edz", "12. Responsible consumption", "Inorganic", "zea mays", "nitrogen fertilizers", "biomasa", "0401 agriculture", " forestry", " and fisheries", "organic fertilizers", "inorganic fertilizers", "abonos org\u00e1nicos", "abonos inorg\u00e1nicos", "rendimiento"]}, "links": [{"href": "https://doi.org/10.1023/b:fres.0000019043.33580.a6"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Nutrient%20Cycling%20in%20Agroecosystems", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1023/b:fres.0000019043.33580.a6", "name": "item", "description": "10.1023/b:fres.0000019043.33580.a6", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1023/b:fres.0000019043.33580.a6"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2004-02-01T00:00:00Z"}}, {"id": "10.1111/j.1365-2486.2010.02349.x", "type": "Feature", "geometry": null, "properties": {"license": "Closed Access", "updated": "2026-04-13T16:19:34Z", "type": "Journal Article", "created": "2010-10-05", "title": "Nonlinear Nitrous Oxide (N2o) Response To Nitrogen Fertilizer In On-Farm Corn Crops Of The Us Midwest", "description": "Abstract<p>Row\uffe2\uff80\uff90crop agriculture is a major source of nitrous oxide (N2O) globally, and results from recent field experiments suggest that significant decreases in N2O emissions may be possible by decreasing nitrogen (N) fertilizer inputs without affecting economic return from grain yield. We tested this hypothesis on five commercially farmed fields in Michigan, USA planted with corn in 2007 and 2008. Six rates of N fertilizer (0\uffe2\uff80\uff93225\uffe2\uff80\uff83kg\uffe2\uff80\uff83N\uffe2\uff80\uff83ha\uffe2\uff88\uff921) were broadcast and incorporated before planting, as per local practice. Across all sites and years, increases in N2O flux were best described by a nonlinear, exponentially increasing response to increasing N rate. N2O emission factors per unit of N applied ranged from 0.6% to 1.5% and increased with increasing N application across all sites and years, especially at N rates above those required for maximum crop yield. At the two N fertilizer rates above those recommended for maximum economic return (135\uffe2\uff80\uff83kg\uffe2\uff80\uff83N\uffe2\uff80\uff83ha\uffe2\uff88\uff921), average N2O fluxes were 43% (18\uffe2\uff80\uff83g\uffe2\uff80\uff83N2O\uffe2\uff80\uff93N\uffe2\uff80\uff83ha\uffe2\uff88\uff921\uffe2\uff80\uff83day\uffe2\uff88\uff921) and 115% (26\uffe2\uff80\uff83g\uffe2\uff80\uff83N2O\uffe2\uff80\uff93N\uffe2\uff80\uff83ha\uffe2\uff88\uff921\uffe2\uff80\uff83day\uffe2\uff88\uff921) higher than were fluxes at the recommended rate, respectively. The maximum return to nitrogen rate of 154\uffe2\uff80\uff83kg\uffe2\uff80\uff83N\uffe2\uff80\uff83ha\uffe2\uff88\uff921yielded an average 8.3\uffe2\uff80\uff83Mg\uffe2\uff80\uff83grain\uffe2\uff80\uff83ha\uffe2\uff88\uff921. Our study shows the potential to lower agricultural N2O fluxes within a range of N fertilization that does not affect economic return from grain yield.</p>", "keywords": ["2. Zero hunger", "nitrous oxide", "N2O", "emission reduction", "04 agricultural and veterinary sciences", "15. Life on land", "maize", "630", "corn", "greenhouse gas", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "nitrogen fertilizer", "agriculture"]}, "links": [{"href": "https://doi.org/10.1111/j.1365-2486.2010.02349.x"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Global%20Change%20Biology", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1111/j.1365-2486.2010.02349.x", "name": "item", "description": "10.1111/j.1365-2486.2010.02349.x", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1111/j.1365-2486.2010.02349.x"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-11-22T00:00:00Z"}}, {"id": "10.1111/j.1365-3040.2010.02201.x", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:19:36Z", "type": "Journal Article", "created": "2010-06-21", "title": "Soil [N] modulates soil C cycling in CO2-fumigated tree stands: a meta-analysis", "description": "ABSTRACT<p>Under elevated atmospheric CO2 concentrations, soil carbon (C) inputs are typically enhanced, suggesting larger soil C sequestration potential. However, soil C losses also increase and progressive nitrogen (N) limitation to plant growth may reduce the CO2 effect on soil C inputs with time. We compiled a data set from 131 manipulation experiments, and used meta\uffe2\uff80\uff90analysis to test the hypotheses that: (1) elevated atmospheric CO2 stimulates soil C inputs more than C losses, resulting in increasing soil C stocks; and (2) that these responses are modulated by N. Our results confirm that elevated CO2 induces a C allocation shift towards below\uffe2\uff80\uff90ground biomass compartments. However, the increased soil C inputs were offset by increased heterotrophic respiration (Rh), such that soil C content was not affected by elevated CO2. Soil N concentration strongly interacted with CO2 fumigation: the effect of elevated CO2 on fine root biomass and \uffe2\uff80\uff93production and on microbial activity increased with increasing soil N concentration, while the effect on soil C content decreased with increasing soil N concentration. These results suggest that both plant growth and microbial activity responses to elevated CO2 are modulated by N availability, and that it is essential to account for soil N concentration in C cycling analyses.</p>", "keywords": ["0301 basic medicine", "Physiology", "Plant Science", "Fine root production", "Carbon Cycle", "Trees", "Soil", "03 medical and health sciences", "Microbial respiration", "microbial respiration", "XXXXXX - Unknown", "C sequestration", "SDG 13 - Climate Action", "Biomass", "Fertilizers", "Biology", "[CO] enrichment", "2. Zero hunger", "[SDU.OCEAN]Sciences of the Universe [physics]/Ocean", "0303 health sciences", "biomass", "[SDU.OCEAN] Sciences of the Universe [physics]/Ocean", " Atmosphere", "Atmosphere", "Root biomass", "Carbon Dioxide", "Nitrogen Cycle", "15. Life on land", "carbon sequestration", "N fertilization", "[SDU.ENVI] Sciences of the Universe [physics]/Continental interfaces", " environment", "nitrogen fertilizers", "roots (botany)", "13. Climate action", "[SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces", "environment"]}, "links": [{"href": "https://doi.org/10.1111/j.1365-3040.2010.02201.x"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Plant%2C%20Cell%20%26amp%3B%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1111/j.1365-3040.2010.02201.x", "name": "item", "description": "10.1111/j.1365-3040.2010.02201.x", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1111/j.1365-3040.2010.02201.x"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-11-12T00:00:00Z"}}, {"id": "10.13080/z-a.2018.105.025", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-04-13T16:20:09Z", "type": "Journal Article", "created": "2018-08-06", "title": "The interaction of soil aggregate stability with other soil properties as influenced by manure and nitrogen fertilization", "description": "Soil water-stable aggregate (WSA) stability is one of the most important indicators of soil health, because it influences chemical, biological and other physical properties. At the same time, WSA formation, stabilization and degradation are also some of the most complex processes that occur in the soil, making them difficult to fully understand. In particular, there is a lack of research on WSA stability in the Baltic region. To gain a better understanding how aggregation occurs in Estonian pedo-climatic conditions, this study was conducted in 2014\u2013 2015 in a sandy loam Stagnic Luvisol (LV-st) (WRB, 2014). Potato and barley plots were analysed in a three-year crop rotation (potato \u2192 spring wheat \u2192 barley) with straw removal. The nitrogen (N) fertilization treatments were 0, 40, 80, 120 and 160 kg ha-1 yr-1 N, both without and with 40 Mg ha-1 fermented cattle farmyard manure (FYM) application prior to potato planting in the previous autumn. WSA stability was determined by Eijkelkamp\u2019s wet sieving apparatus from air-dried soil samples of less than 2 mm in diameter. The study revealed a negative correlation (r = \u22120.16) between increased N rates and WSA stability, regardless of FYM applications. Although soil organic carbon (SOC) content increased with additional N fertilization rates, the reduction in soil acidity (pHKCl) levels caused by N fertilization, most likely repealed the positive SOC content effect on WSA stability. In general, compared with sole N fertilization, FYM application had a positive effect on WSA stability. However, even though WSA stability did not always increase with FYM applications, it still had a positive effect on bulk density, SOC content and soil acidity levels. Further research is needed in Estonia due to the complexities involved in the soil aggregation process.", "keywords": ["2. Zero hunger", "soil aggregate stability", "articles", "barley", "potato", "0401 agriculture", " forestry", " and fisheries", "farmyard manure", "04 agricultural and veterinary sciences", "15. Life on land", "nitrogen fertilizer"]}, "links": [{"href": "https://doi.org/10.13080/z-a.2018.105.025"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Zemdirbyste-Agriculture", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.13080/z-a.2018.105.025", "name": "item", "description": "10.13080/z-a.2018.105.025", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.13080/z-a.2018.105.025"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2018-08-06T00:00:00Z"}}, {"id": "10.1590/1413-70542016402031115", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-04-13T16:20:31Z", "type": "Journal Article", "created": "2016-05-11", "title": "Ammonia Volatilization From Enhanced-Efficiency Urea On No-Till Maize In Brazilian Cerrado With Improved Soil Fertility", "description": "<p>ABSTRACT High nitrogen losses by ammonia volatilization are expected when urea is used as the source of N. The use of controlled-release urea and urease inhibitors are possible strategies to reduce such losses and increase nitrogen use efficiency. This study aimed to evaluate nitrogen losses by ammonia volatilization from stabilized, slow and controlled release urea and its absorption by maize grown under no-till in an improved Cerrado soil. Four N sources were used: conventional urea, urea + N-(n-butyl) thiophosphoric triamide (NBPT), urea + Cu and B and urea coated by sulfur + polymers. These N sources were surface applied along the rows using three N doses of 100, 150 and 200 kg ha-1. No N was added to the control. Data were collected regarding N losses by volatilization, the N contents accumulated in the stubble and grains, and the yields of the stubble and grains. Stabilized urea and slow release urea were efficient for postponing the ammonia volatilization peaks. The urease inhibitors postponed the peaks for up to two days, reducing the accumulated volatilization by 18% when compared with common urea. Polymer sulfur coated urea resulted in a 37% reduction in ammonia volatilization. Increasing the N application rate to 200 kg ha-1 resulted in 16% greater yields and 37% greater N accumulation in the plants relative to the control. However, the stabilized and slow-release urea did not improve the N accumulation or yield. Consequently, the nitrogen use efficiency of maize was not improved relative to the use of conventional urea.</p>", "keywords": ["Fertilizantes nitrogenados", "2. Zero hunger", "Agriculture (General)", "ureia revestida por enxofre e pol\u00edmeros", "polymer sulfur coated urea", "urease inhibitors", "04 agricultural and veterinary sciences", "NH3-N losses", "inibidores de urease", "S1-972", "0401 agriculture", " forestry", " and fisheries", "Zea mays L", "Nitrogen fertilizers", "perdas de N-NH3"]}, "links": [{"href": "https://doi.org/10.1590/1413-70542016402031115"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Ci%C3%AAncia%20e%20Agrotecnologia", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1590/1413-70542016402031115", "name": "item", "description": "10.1590/1413-70542016402031115", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1590/1413-70542016402031115"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2016-04-01T00:00:00Z"}}, {"id": "10.1590/s0100-06832011000200018", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:20:33Z", "type": "Journal Article", "created": "2011-06-21", "title": "Ammonia Volatilization Following Soil Application Of Conventional Urea Or Urea With Urease Inhibitor", "description": "<p>Volatiliza\uffc3\uffa7\uffc3\uffa3o de NH3 \uffc3\uffa9 a principal rea\uffc3\uffa7\uffc3\uffa3o que diminui a efici\uffc3\uffaancia de utiliza\uffc3\uffa7\uffc3\uffa3o pelas plantas do N proveniente da ureia, quando ela \uffc3\uffa9 aplicada sobre a superf\uffc3\uffadcie do solo. A fim de minimizar essa perda, produtos t\uffc3\uffaam sido misturados \uffc3\uffa0 ureia para inibir temporariamente a a\uffc3\uffa7\uffc3\uffa3o da urease. Este trabalho objetivou avaliar alternativas de aplica\uffc3\uffa7\uffc3\uffa3o de um fertilizante com inibidor de urease, visando a diminuir a volatiliza\uffc3\uffa7\uffc3\uffa3o de NH3 relativamente \uffc3\uffa0 ureia convencional, em algumas condi\uffc3\uffa7\uffc3\uffb5es ambientais e de solo. Foram desenvolvidos quatro experimentos, todos em condi\uffc3\uffa7\uffc3\uffb5es de laborat\uffc3\uffb3rio, em 2007 e 2008, em Cambissolo H\uffc3\uffbamico. Os tratamentos variaram em cada estudo e inclu\uffc3\uffadram combina\uffc3\uffa7\uffc3\uffb5es de n\uffc3\uffadveis de pH do solo (natural; 5,5; 6,3; e 6,8), umidade do solo (5, 10 ou 20 % de \uffc3\uffa1gua) e temperaturas ambientais (18 e 35 \uffc2\uffbaC), al\uffc3\uffa9m de estados f\uffc3\uffadsicos (s\uffc3\uffb3lido ou l\uffc3\uffadquido) e de m\uffc3\uffa9todos de aplica\uffc3\uffa7\uffc3\uffa3o dos fertilizantes (na superf\uffc3\uffadcie ou incorporado ao solo). As unidades experimentais foram constitu\uffc3\uffaddas por bandejas pl\uffc3\uffa1sticas (23 x 51 x 17 cm) com 12 kg de solo, numa espessura de 15 cm, sobre as quais foram instaladas c\uffc3\uffa2maras coletoras de NH3. A am\uffc3\uffb4nia volatilizada foi determinada em v\uffc3\uffa1rias \uffc3\uffa9pocas, nos primeiros 28 dias ap\uffc3\uffb3s a aplica\uffc3\uffa7\uffc3\uffa3o dos fertilizantes. O pico de volatiliza\uffc3\uffa7\uffc3\uffa3o di\uffc3\uffa1ria de NH3 ocorreu sempre na primeira semana depois da adi\uffc3\uffa7\uffc3\uffa3o dos fertilizantes ao solo, e aconteceu dois a tr\uffc3\uffaas dias mais tarde para a ureia com inibidor de urease, em rela\uffc3\uffa7\uffc3\uffa3o \uffc3\uffa0 ureia convencional. A volatiliza\uffc3\uffa7\uffc3\uffa3o de NH3 nem sempre foi maior para a ureia convencional em compara\uffc3\uffa7\uffc3\uffa3o ao fertilizante contendo inibidor de urease, tampouco para o estado l\uffc3\uffadquido em rela\uffc3\uffa7\uffc3\uffa3o ao granulado. A volatiliza\uffc3\uffa7\uffc3\uffa3o de NH3 aumentou com a eleva\uffc3\uffa7\uffc3\uffa3o do pH, da temperatura e da dose aplicada de N e foi menor nos extremos de umidade (solo com 5 % ou com 20 % de \uffc3\uffa1gua). Para os fertilizantes aplicados sobre a superf\uffc3\uffadcie do solo, a taxa m\uffc3\uffa1xima de perda di\uffc3\uffa1ria foi correspondente a 14 kg ha-1 de N, e a perda total acumulada variou de 2 a 50 % do N aplicado, dependendo principalmente do estado f\uffc3\uffadsico em que o fertilizante foi aplicado, da umidade do solo e da temperatura ambiente. A incorpora\uffc3\uffa7\uffc3\uffa3o dos fertilizantes am\uffc3\uffaddicos ao solo foi a maneira mais eficaz de minimizar as perdas de N por volatiliza\uffc3\uffa7\uffc3\uffa3o.</p>", "keywords": ["nitrogen fertilizers", "temperatura", "pH", "Agriculture (General)", "fertilizer application forms", "temperature", "0401 agriculture", " forestry", " and fisheries", "formas de aplica\u00e7\u00e3o de adubos", "04 agricultural and veterinary sciences", "fertilizantes nitrogenados", "S1-972"]}, "links": [{"href": "https://doi.org/10.1590/s0100-06832011000200018"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Revista%20Brasileira%20de%20Ci%C3%AAncia%20do%20Solo", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1590/s0100-06832011000200018", "name": "item", "description": "10.1590/s0100-06832011000200018", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1590/s0100-06832011000200018"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-04-01T00:00:00Z"}}, {"id": "10.1590/s0100-06832010000500020", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-04-13T16:20:32Z", "type": "Journal Article", "created": "2010-12-20", "title": "Ammonia Volatilization In No-Till System In The South-Central Region Of The State Of Parana, Brazil", "description": "<p>Ammonia (NH3) volatilization can reduce the efficiency of urea applied to the surface of no-till (NT) soils. Thus, the objectives of this study were to evaluate the magnitude of NH3 losses from surface-applied urea and to determine if this loss justifies the urea incorporation in soil or its substitution for other N sources under the subtropical climatic conditions of South-Central region of Paran\uffc3\uffa1 State, Brazil. The experiment, performed over four harvesting seasons in a clayey Hapludox followed a randomized block design with four replicates. A single dose of N (150 kg ha-1) to V5 growth stage of corn cultivated under NT system was applied and seven treatments were evaluated, including surface-applied urea, ammonium sulfate, ammonium nitrate, urea with urease inhibitor, controlled-release N source, a liquid N source, incorporated urea, and a control treatment with no N application. Ammonia volatilization was evaluated for 20 days after N application using a semi-open static system. The average cumulative NH3 loss due to the superficial application of urea was low (12.5 % of the applied N) compared to the losses observed in warmer regions of Southeastern Brazil (greater than 50 %). The greatest NH3 losses were observed in dry years (up to 25.4 % of the applied N), and losses decreased exponentially as the amount of rainfall after N application increased. Incorporated urea and alternative N sources, with the exception of controlled-release N source, decreased NH3 volatilization in comparison with surface-applied urea. Urea incorporation is advantageous for the reduction of NH3 volatilization; however, other aspects as its low operating efficiency should be considered before this practice is adopted. In the South-Central region of Paran\uffc3\uffa1, the low NH3 losses from the surface-applied urea in NT system due to wet springs and mild temperatures do not justify its replacement for other N sources.</p>", "keywords": ["urease", "ureia", "Corn", "Aduba\u00e7\u00e3o nitrogenada", "Manejo do solo", "Ureia", "aduba\u00e7\u00e3o nitrogenada", "urea", "04 agricultural and veterinary sciences", "Plantio direto", "Nitrogen fertilizer", "Urease", "milho", "corn", "Milho", "Urea", "0401 agriculture", " forestry", " and fisheries", "Paran\u00e1", "nitrogen fertilizer"], "contacts": [{"organization": "Fontoura, Sandra Mara Vieira, Bayer, Cim\u00e9lio,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.1590/s0100-06832010000500020"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Revista%20Brasileira%20de%20Ci%C3%AAncia%20do%20Solo", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1590/s0100-06832010000500020", "name": "item", "description": "10.1590/s0100-06832010000500020", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1590/s0100-06832010000500020"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-10-01T00:00:00Z"}}, {"id": "10.1590/s0100-204x2017000300007", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-04-13T16:20:34Z", "type": "Journal Article", "created": "2017-05-11", "title": "Additives Incorporated Into Urea To Reduce Nitrogen Losses After Application To The Soil", "description": "<p>Abstract: The objective of this work was to develop urea-based fertilizers with internal incorporation of urease inhibitors and other additives in the granule. The effects of the incorporation of NBPT, copper (Cu+2), boric acid (H3BO3), elemental sulphur (S\uffc2\uffba), and a clay mineral from the zeolite group in powder urea - with ten different combinations of these additives - were evaluated as to N losses by volatilization and leaching. The losses in laboratory-developed formulations were compared with those of commercial fertilizers coated with the same additives (Super N, FH Nitro Mais, and FH Nitro Gold). The evaluations were made in greenhouse conditions, using a Ultisol accommodated in PVC columns. Nitrate and ammonium leaching was evaluated in the solution percolated through the soil columns. Ammonia volatilization was measured with a semi-open static chamber. The incorporation of urease inhibitors (NBPT, H3BO3, and Cu+2) into the urea granules was efficient to reduce N volatilization. Ammonia volatilization in the laboratory-developed ureas was lower than in commercial fertilizers coated with the same additives, while ammonium sulfate losses by leaching were similar. The addition of zeolite does not reduce N volatilization. Mineral N leaching in the soil profile is not affected by urease inhibitors.</p>", "keywords": ["volatiliza\u00e7\u00e3o de am\u00f4nia", "Agriculture (General)", "urease inhibitors", "04 agricultural and veterinary sciences", "lixivia\u00e7\u00e3o", "01 natural sciences", "inibidores de urease", "6. Clean water", "S1-972", "leaching", "nitrogen fertilizers", "ammonia volatilization", "NBPT", "0401 agriculture", " forestry", " and fisheries", "fertilizantes nitrogenados", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1590/s0100-204x2017000300007"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Pesquisa%20Agropecu%C3%A1ria%20Brasileira", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1590/s0100-204x2017000300007", "name": "item", "description": "10.1590/s0100-204x2017000300007", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1590/s0100-204x2017000300007"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2017-03-01T00:00:00Z"}}, {"id": "10.1590/s0103-90162008000400011", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:20:34Z", "type": "Journal Article", "created": "2010-01-08", "title": "Ammonia Volatilisation From Urease Inhibitor-Treated Urea Applied To Sugarcane Trash Blankets", "description": "<p>Legal restrictions from burning sugarcane prior to harvest are causing a sharp increase in acreage which is harvested as green cane. The presence of a thick sugarcane trash mulch left after harvest makes it difficult to incorporate fertilisers in the soil. Since large losses of ammonia may occur when urea is surface applied to trash, it is important to find ways to improve urea-N use efficiency. The urease inhibitor NBPT slows down urea hydrolysis and thus may help decrease ammonia losses. Ammonia traps were set up in seven sugarcane fields covered with trash and fertilised with ammonium sulfate or ammonium nitrate, urea, and NBPT-treated urea. All N fertilisers were surface-applied at rates of 80 or 100 kg N ha-1. Very little N was lost when ammonium nitrate or ammonium sulfate were used. However, volatilisation losses as ammonia from the urea treatments varied from 1% (rainy days after fertilisation) to 25% of the applied N. The percentage of reduction in volatilisation due to NBPT application ranged from 15% to 78% depending on the weather conditions during the days following application of N. Addition of NBPT to urea helped to control ammonia losses, but the inhibitor was less effective when rain sufficient to incorporate urea into the soil occurred only 10 to 15 days or latter after fertiliser application.</p>", "keywords": ["adubos nitrogenados", "NBPT", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "perdas de am\u00f4nia", "ammonia losses", "nitrogen fertilizer"]}, "links": [{"href": "https://doi.org/10.1590/s0103-90162008000400011"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Scientia%20Agricola", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1590/s0103-90162008000400011", "name": "item", "description": "10.1590/s0103-90162008000400011", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1590/s0103-90162008000400011"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-01-01T00:00:00Z"}}, {"id": "10.2134/agronj2008.0188x", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:20:57Z", "type": "Journal Article", "created": "2009-09-01", "description": "<p>Organic resources (ORs) are important nutrient inputs in tropical agriculture. Combined with mineral fertilizers, they form the backbone of integrated soil fertility management. This study was conducted to determine the medium\uffe2\uff80\uff90 to long\uffe2\uff80\uff90term influence of OR quality and quantity on maize productivity and to evaluate the occurrence of additive benefits in terms of extra grain yield produced by the combined application of ORs and N fertilizers. Farmyard manure, high quality Mexican sunflower [Tithonia diversifolia (Hemsl.) A. Gray], intermediate quality calliandra (Calliandra calothyrsus Meisn.) and maize (Zea mays L.), and low quality silky\uffe2\uff80\uff90oak (Grevillea robusta A. Cunn. ex R. Br.) sawdust were incorporated into the soil at equivalent rates of 1.2 and 4 Mg C ha\uffe2\uff88\uff921 yr\uffe2\uff88\uff921 in Embu (clayey) and Machanga (sandy soil), together with a control to which no OR was added. All plots were split, with one half receiving 120 kg N ha\uffe2\uff88\uff921 season\uffe2\uff88\uff921 as CaNH4NO3. The ORs, except sawdust and maize, improved maize grain yields compared with the control at both sites. Greatest mean maize yields (i.e., 4.9 and 2.3 Mg ha\uffe2\uff88\uff921 season\uffe2\uff88\uff921, in Embu and Machanga, respectively) over 10 seasons were observed with the high rate of Mexican sunflower, but was not significantly different from calliandra and manure. Generally, maize yields were greater with higher than lower OR rates, except for maize and sawdust. Although N fertilizer additions to the ORs improved grain yields in Embu, the increase was marginal; resulting in negative interactive effects of applying ORs with N fertilizers, especially with high\uffe2\uff80\uff90N ORs. Thus high\uffe2\uff80\uff90N ORs should not be applied in combination with N fertilizers, especially at such high fertilizer N rates.</p>", "keywords": ["2. Zero hunger", "soil fertility", "abonos nitrogenados", "04 agricultural and veterinary sciences", "fertilidad del suelo", "15. Life on land", "maize", "630", "ma\u00edz", "soil exhaustion", "nitrogen fertilizers", "cultivos tropicales", "0401 agriculture", " forestry", " and fisheries", "agotamiento del suelo", "estiercol", "farmyard manure", "organic fertilizers", "abonos org\u00e1nicos", "tropical crops"]}, "links": [{"href": "https://doi.org/10.2134/agronj2008.0188x"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agronomy%20Journal", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.2134/agronj2008.0188x", "name": "item", "description": "10.2134/agronj2008.0188x", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.2134/agronj2008.0188x"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2009-09-01T00:00:00Z"}}, {"id": "10.3389/fenvs.2014.00025", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:21:39Z", "type": "Journal Article", "created": "2014-07-03", "description": "Open AccessPeer reviewed", "keywords": ["2. Zero hunger", "nitrous oxide", "nitrifier-denitrification", "codenitrification", "Nitrous Oxide", "04 agricultural and veterinary sciences", "15. Life on land", "nitrification", "6. Clean water", "Environmental sciences", "nitrogen fertilizers", "13. Climate action", "nitrous oxide", " charcoal", " nitrification", " DCD", " codenitrification", " nitrogen fertilizers", "Charcoal", "Environmental Science", "DCD", "0401 agriculture", " forestry", " and fisheries", "GE1-350", "charcoal", "Nitrogen fertilizers"], "contacts": [{"organization": "S\u00e1nchez-Garc\u00eda, Mar\u00eda, Roig, Asunci\u00f3n, S\u00e1nchez-Monedero, Miguel \u00c1ngel, Cayuela, Mar\u00eda Luz,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.3389/fenvs.2014.00025"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Frontiers%20in%20Environmental%20Science", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.3389/fenvs.2014.00025", "name": "item", "description": "10.3389/fenvs.2014.00025", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.3389/fenvs.2014.00025"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2014-07-03T00:00:00Z"}}, {"id": "10.3390/horticulturae8040307", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:21:54Z", "type": "Journal Article", "created": "2022-04-05", "title": "Root-Zone Amendments of Biochar-Based Fertilizers: Yield Increases of White Cabbage in Temperate Climate", "description": "<p>The use of biochar is an important tool to improve soil fertility, reduce the negative environmental impacts of agriculture, and build up terrestrial carbon sinks. However, crop yield increases by biochar amendment were not shown consistently for fertile soils under temperate climate. Recent studies show that biochar is more likely to increase crop yields when applied in combination with nutrients to prepare biochar-based fertilizers. Here, we focused on the root-zone amendment of biochar combined with mineral fertilizers in a greenhouse trial with white cabbage (Brassica oleracea convar. Capitata var. Alba) cultivated in a nutrient-rich silt loam soil originating from the temperate climate zone (Bavaria, Germany). Biochar was applied at a low dosage (1.3 t ha\uffe2\uff88\uff921). The biochar was placed either as a concentrated hotspot below the seedling or it was mixed into the soil in the root zone representing a mixture of biochar and soil in the planting basin. The nitrogen fertilizer (ammonium nitrate or urea) was either applied on the soil surface or loaded onto the biochar representing a nitrogen-enhanced biochar. On average, a 12% yield increase in dry cabbage heads was achieved with biochar plus fertilizer compared to the fertilized control without biochar. Most consistent positive yield responses were observed with a hotspot root-zone application of nitrogen-enhanced biochar, showing a maximum 21% dry cabbage-head yield increase. Belowground biomass and root-architecture suggested a decrease in the fine root content in these treatments compared to treatments without biochar and with soil-mixed biochar. We conclude that the hotspot amendment of a nitrogen-enhanced biochar in the root zone can optimize the growth of white cabbage by providing a nutrient depot in close proximity to the plant, enabling efficient nutrient supply. The amendment of low doses in the root zone of annual crops could become an economically interesting application option for biochar in the temperate climate zone.</p>", "keywords": ["2. Zero hunger", "pyrogenic carbon capture and storage", "Plant culture", "04 agricultural and veterinary sciences", "root architecture", "15. Life on land", "PyCCS", "630", "PyCCS; pyrogenic carbon capture and storage; nitrogen fertilizer; root architecture; Shovelomics", "6. Clean water", "SB1-1110", "Shovelomics", "0401 agriculture", " forestry", " and fisheries", "nitrogen fertilizer"]}, "links": [{"href": "http://www.mdpi.com/2311-7524/8/4/307/pdf"}, {"href": "https://www.mdpi.com/2311-7524/8/4/307/pdf"}, {"href": "https://doi.org/10.3390/horticulturae8040307"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Horticulturae", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.3390/horticulturae8040307", "name": "item", "description": "10.3390/horticulturae8040307", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.3390/horticulturae8040307"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2022-04-05T00:00:00Z"}}, {"id": "10.3390/plants13060818", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:22:01Z", "type": "Journal Article", "created": "2024-03-13", "title": "Enhancing Phytoextraction Potential of Brassica napus for Contaminated Dredged Sediment Using Nitrogen Fertilizers and Organic Acids", "description": "<?xml version='1.0' encoding='UTF-8'?><article><p>Dredged sediment contaminated with heavy metals can be remediated through phytoremediation. The main challenge in phytoremediation is the limited availability of heavy metals for plant uptake, particularly in multi-contaminated soil or sediment. This study aimed to assess the effect of the nitrogen fertilizers (ammonium nitrate (AN), ammonium sulfate (AS), and urea (UR)), organic acids (oxalic (OA) and malic (MA) acids), and their combined addition to sediment on enhancing the bioavailability and phytoremediation efficiency of heavy metals. The sediment dredged from Begej Canal (Serbia) had high levels of Cr, Cd, Cu, and Pb and was used in pot experiments to cultivate energy crop rapeseed (Brassica napus), which is known for its tolerance to heavy metals. The highest accumulation and translocation of Cu, Cd, and Pb were observed in the treatment with AN at a dose of 150 mg N/kg (AN150), in which shoot biomass was also the highest. The application of OA and MA increased heavy metal uptake but resulted in the lowest biomass production. A combination of MA with N fertilizers showed high uptake and accumulation of Cr and Cu.</p></article>", "keywords": ["2. Zero hunger", "Brassica napus", "dredged sediment", "Botany", "contaminated soils", "rapeseed", "phytoremediation", "15. Life on land", "7. Clean energy", "Article", "6. Clean water", "<i>Brassica napus</i>", "phytoextraction", "nitrogen fertilizers", "13. Climate action", "QK1-989", "organic acids", "heavy metals"]}, "links": [{"href": "https://www.mdpi.com/2223-7747/13/6/818/pdf"}, {"href": "https://doi.org/10.3390/plants13060818"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Plants", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.3390/plants13060818", "name": "item", "description": "10.3390/plants13060818", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.3390/plants13060818"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2024-03-13T00:00:00Z"}}, {"id": "10.4141/cjss2013-094", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:22:21Z", "type": "Journal Article", "created": "2014-05-20", "title": "Soil organic carbon and land use: Processes and potential in Ontario's long-term agro-ecosystem research sites", "description": "<p> Congreves, K. A., Smith, J. M., N\uffc3\uffa9meth, D. D., Hooker, D. C. and Van Eerd, L. L. 2014. Soil organic carbon and land use: Processes and potential in Ontario\uffe2\uff80\uff99s long-term agro-ecosystem research sites. Can. J. Soil Sci. 94: 317\uffe2\uff80\uff93336. Soil organic carbon (SOC) is crucial for maintaining a productive agro-ecosystem. Long-term research must be synthesized to understand the effects of land management on SOC storage and to develop best practices to prevent soil degradation. Therefore, this review compiled an inventory of long-term Ontario studies and assessed SOC storage under common Ontario land management regimes via a meta-analysis and literature review. In general, greater SOC storage occurred in no-till (NT) vs. tillage systems, in crop rotation vs. continuous corn, and in N fertilizer vs. no N fertilizer systems; however, soil texture and perhaps drainage class may determine the effects of tillage. The effect on SOC storage was variable when deeper soil depth ranges (0\uffe2\uff80\uff9345 cm) were considered for NT and rotational cropping, which suggests an unpredictable effect of land management on SOC at depths below the plough layer. Therefore, researchers are encouraged to use the presented inventory of nine long-term research sites and 18 active experiments in Ontario to pursue coordinated studies of long-term land management on SOC at depths extending below the plough layer. </p>", "keywords": ["meta-analysis", "soil organic carbon", "2. Zero hunger", "crop rotation", "inventory of long-term experiments", "no-tillage", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "nitrogen fertilizer"]}, "links": [{"href": "https://doi.org/10.4141/cjss2013-094"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Canadian%20Journal%20of%20Soil%20Science", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.4141/cjss2013-094", "name": "item", "description": "10.4141/cjss2013-094", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.4141/cjss2013-094"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2014-05-19T00:00:00Z"}}, {"id": "31e8fc8a-fbc5-465c-bf6d-35bdbf92459f", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[13.78, 53.38], [13.78, 53.38], [13.79, 53.38], [13.79, 53.38], [13.78, 53.38]]]}, "properties": {"themes": [{"concepts": [{"id": "farming"}], "scheme": "https://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_TopicCategoryCode"}, {"concepts": [{"id": "Soil"}, {"id": "soil types"}, {"id": "erosion"}, {"id": "nitrogen fertilizers"}, {"id": "nitrous oxide"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "opendata"}, {"id": "manual chambers"}], "scheme": "Individual"}, {"concepts": [{"id": "Boden"}], "scheme": "GEMET - INSPIRE themes, version 1.0"}, {"concepts": [{"id": "Germany"}, {"id": "Brandenburg"}, {"id": "Uckermark"}, {"id": "Quillow"}], "scheme": "Individual"}], "rights": "Restrictions applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations or warnings on using the resource or metadata. Reports, articles, papers, scientific and non - scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data reused from the BonaRes Data Centre www.bonares.de. This data were created as part of the ZALF Datenerfassung's research activities.\" Although every care has been taken in preparing and testing the data, the ZALF Datenerfassung and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the ZALF Datenerfassung and the BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. The ZALF Datenerfassung and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data. The access to this data is restricted during embargo time. If prior access is requested, contact the data owner / author.", "updated": "2023-08-16", "type": "Dataset", "created": "2022-03-03", "language": "eng", "title": "Similar strong impact of N fertilizer form and terrain position on N2O emission from eroded croplands (Part 1 of data colletcion, table measured_N2O_fluxes)", "description": "Soil erosion affects 20% of croplands. However, our understanding of the effect that soil erosion might have on emissions of N2O, which is one of the most potent greenhouse gases, is still limited. This limitation is likely because the small-scale differences in soil properties and fertility induced by erosion (i.e. ranges of erosion states) have barely been considered in studies quantifying N2O emissions from croplands. There are, however, indications that the erosion state itself strongly impacts N2O fluxes, similar to the N fertilizer form. Therefore, our investigations aimed to further explore these indications. The soil and erosion stages of the study area are classified as Albic Luvisols (LVa; non-eroded dry soil), Calcaric Regosol (RGca; extremely eroded dry soil) and Endogleyic Colluvic Regosols (RGco; wet colluvial soil in a depression). \n\n\nThis datasets contains data of soil data, N2O flux obtained from the measurements that were conducted from 03/05/2010 to 03/05/2013 within the hummocky ground moraine landscape of northeastern Germany (CarboZALF-D), modelled N2O flux and Nmin data. The three N fertilizer forms that were used in this study are organic fertilizer with biogas fermentation residue, mineral fertilizer with Calcium Ammonium Nitrate and a mixture of mineral and biogas fermentation residue.", "formats": [{"name": "CSV"}], "keywords": ["Soil", "soil types", "erosion", "nitrogen fertilizers", "nitrous oxide", "opendata", "manual chambers", "Boden", "Germany", "Brandenburg", "Uckermark", "Quillow"], "contacts": [{"name": "BonaRes Data Centre", "organization": "Leibniz Centre for Agricultural Landscape Research (ZALF)", "position": "Research Platform 'Data Analysis & Simulation' - WG Geodata", "roles": ["publisher"], "phones": [{"value": "+49 33432 82 171"}], "emails": [{"value": "bonares-datenzentrum@zalf.de"}], "addresses": [{"deliveryPoint": ["Eberswalder Strasse 84"], "city": "M\u00fcncheberg", "administrativeArea": "Brandenburg", "postalCode": "15374", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Shrijana Vaidya", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "Shrijana.Vaidya@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0001-7699-5532", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Maire Holz", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "maire.holz@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0002-1825-2308", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Reena Macagga", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "reena.macagga@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "Mogens Thalmann", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "mogens.thalmann@gmail.com"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "Nicole Jurisch", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "n.jurisch@web.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "Natalia Pehle", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "Natalia.Pehle@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "Gernot Verch", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "verch@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0003-3480-5248", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Michael Sommer", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "sommer@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "J\u00fcrgen Augustin", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "jaug@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "Mathias Hoffmann", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "mathias.hoffmann@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0002-2776-1403", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Shrijana Vaidya", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "Shrijana.Vaidya@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "roles": ["contributor"]}]}, "links": [{"href": "https://maps.bonares.de/mapapps/resources/apps/bonares/index.html?lang=en&mid=31e8fc8a-fbc5-465c-bf6d-35bdbf92459f", "rel": "information"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/31e8fc8a-fbc5-465c-bf6d-35bdbf92459f", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "31e8fc8a-fbc5-465c-bf6d-35bdbf92459f", "name": "item", "description": "31e8fc8a-fbc5-465c-bf6d-35bdbf92459f", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/31e8fc8a-fbc5-465c-bf6d-35bdbf92459f"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"interval": ["2010-05-03T00:00:00Z", "2013-05-03T00:00:00Z"]}}, {"id": "10.5061/dryad.f1b82", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:22:33Z", "type": "Dataset", "title": "Data from: Nitrogen fertilization challenges the climate benefit of cellulosic biofuels", "description": "unspecifiedCellulosic biofuels are intended to improve future energy and climate  security. Nitrogen (N) fertilizer is commonly recommended to stimulate  yields but can increase losses of the greenhouse gas nitrous oxide (N2O)  and other forms of reactive N, including nitrate. We measured soil N2O  emissions and nitrate leaching along a switchgrass (Panicum virgatum) high  resolution N-fertilizer gradient for three years post-establishment.  Results revealed an exponential increase in annual N2O emissions that each  year became stronger (R 2 &gt; 0.9, P &lt; 0.001) and deviated  further from the fixed percentage assumed for IPCC Tier 1 emission  factors. Concomitantly, switchgrass yields became less responsive each  year to N fertilizer. Nitrate leaching (and calculated indirect N2O  emissions) also increased exponentially in response to N inputs, but  neither methane (CH4) uptake nor soil organic carbon changed detectably.  Overall, N fertilizer inputs at rates greater than crop need curtailed the  climate benefit of ethanol production almost two-fold, from a maximum  mitigation capacity of \u22125.71 \u00b1 0.22 Mg CO2e ha\u22121 yr\u22121 in switchgrass  fertilized at 56 kg N ha\u22121 to only \u22122.97 \u00b1 0.18 Mg CO2e ha\u22121 yr\u22121 in  switchgrass fertilized at 196 kg N ha\u22121. Minimizing N fertilizer use will  be an important strategy for fully realizing the climate benefits of  cellulosic biofuel production.", "keywords": ["2. Zero hunger", "Switchgrass", "Panicum virgatum", "13. Climate action", "nitrate leaching", "IPCC emission factor", "methane (CH4) oxidation", "15. Life on land", "7. Clean energy", "Life cycle analysis", "nitrous oxide (N2O)", "6. Clean water", "nitrogen fertilizer"], "contacts": [{"organization": "Ruan, Leilei, Bhardwaj, Ajay K., Hamilton, Stephen K., Robertson, G. Philip,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.5061/dryad.f1b82"}, {"rel": "self", "type": "application/geo+json", "title": "10.5061/dryad.f1b82", "name": "item", "description": "10.5061/dryad.f1b82", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5061/dryad.f1b82"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2017-03-28T00:00:00Z"}}, {"id": "10.5061/dryad.rbnzs7hf0", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:22:38Z", "type": "Dataset", "title": "Biochar and nitrogen fertilizer promote rice yield by altering soil enzyme activity and microbial community structure", "description": "unspecifiedBiochar can significantly change soil properties and improve soil quality.  However, the effects of long-term combined application of biochar (B) and  nitrogen (N) fertilizer on relationships between soil enzyme activity,  microbial community structure and crop yield are still obscure. We  characterized these relationships in a long-term (8 years) field  experiment with rice, two biochar rates of 0 and 13.5 t ha-1 year-1 (B0  and B) and two N fertilizer rates of 0 and 300 kg N ha-1 year-1 (N0 and  N). The repeated, long-term combined applications of biochar and N  fertilizer significantly increased microbial biomass carbon and nitrogen  (MBC and MBN), but biochar decreased the abundance of total bacteria,  fungi, actinomycetes, Gram-positive and Gram-negative bacteria as well as  the amount of total phospholipid fatty acids. The activity of leucine  aminopeptidase (LAP) decreased significantly in the biochar-amended and N  fertilized treatment, but the LAP activity either remained unchanged or  increased with biochar amendment at N0. The relative abundance of  bacterial phylum Chloroflexi was increased in the combined biochar and N  fertilizer treatment. The changes in soil organic matter and the activity  of \u03b1-1,4-xylosidase were the major properties influencing soil bacterial  community composition, whereas the structure of fungal community was  governed by MBC, MBN and LAP activity. In addition, long-term biochar and  N fertilizer applied together significantly increased rice yield (more  than biochar and nitrogen fertilizer applied alone). Yield was  significantly positively correlated with LAP activity, but significantly  negatively correlated with the relative abundance of Chloroflexi. In  conclusion, long-term biochar and nitrogen fertilizer applications  increased rice yield, which was associated with altered soil microbial  community and enhanced activity of some enzymes.", "keywords": ["2. Zero hunger", "Microbial community", "FOS: Agricultural sciences", "biochar", "phospholipid fatty acids", "15. Life on land", "6. Clean water", "long-term experiment", "nitrogen fertilizer", "enzyme activity", "rice yield"], "contacts": [{"organization": "Zhang, Aiping", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.5061/dryad.rbnzs7hf0"}, {"rel": "self", "type": "application/geo+json", "title": "10.5061/dryad.rbnzs7hf0", "name": "item", "description": "10.5061/dryad.rbnzs7hf0", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5061/dryad.rbnzs7hf0"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2022-09-01T00:00:00Z"}}, {"id": "10.5424/sjar/2008062-320", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:25:02Z", "type": "Journal Article", "created": "2013-11-21", "description": "<p>The aim of this experiment was to evaluate the effects of adding DMPP (3,4-dimethylpyrazole phosphate) to urea on nitrate leaching and maize (Zea mays L.) yield over two growing seasons. Two nitrogen (N) levels (optimum and excessive) were applied to an irrigated maize crop under Mediterranean conditions. There were five treatments: optimal N (as urea) and the same dose plus DMPP; optimal N (as urea plus 40 kg N/ha) and the same N dose plus DMPP; and a control with no added N fertilizer. The maize was irrigated with an overhead mobile-line sprinkler system. EnviroSCAN probes were used to determine drainage and evapotranspiration and ceramic cups to obtain soil solution samples at a soil depth of 1.4 m. The use of DMPP with urea reduced nitrate leaching. No phytotoxic effects were observed due to the DMPP. There were no differences in grain yield between treatments with and without DMPP at the same rate of N. When DMPP was applied, sodium was displaced from the soil exchange complex due to increased NH4+ concentration, which also increased the electrical conductivity of soil in the drainage zone.</p>", "keywords": ["ZEA MAYS; APLICACION DE ABONOS; ABONOS NITROGENADOS; UREA; NITRATOS; LIXIVIACION; POLUCION DE AGUAS SUBTERRANEAS; INHIBIDORES DE LA NITRIFICACION; CONTROL DE LA CONTAMINACION; RENDIMIENTO DE CULTIVOS", "NITRIFICATION INHIBITORS", "INHIBIDORES DE LA NITRIFICACION", "NITROGEN FERTILIZERS", "CONTROL DE LA CONTAMINACION", "LEACHING", "POLLUTION CONTROL", "GROUNDWATER POLLUTION", "NITRATES", "Fertilizing", "RENDIMIENTO DE CULTIVOS", "CROP YIELD", "FERTILIZER APPLICATION", "APLICACION DE ABONOS", "ZEA MAYS", "ZEA MAYS; FERTILIZER APPLICATION; NITROGEN FERTILIZERS; UREA; NITRATES; LEACHING; GROUNDWATER POLLUTION; NITRIFICATION INHIBITORS; POLLUTION CONTROL; CROP YIELD", "POLUCION DE AGUAS SUBTERRANEAS", "2. Zero hunger", "ABONOS NITROGENADOS", "0402 animal and dairy science", "04 agricultural and veterinary sciences", "6. Clean water", "NITRATOS", "0401 agriculture", " forestry", " and fisheries", "LIXIVIACION", "UREA"], "contacts": [{"organization": "D\u00edez L\u00f3pez, J.A., Hernaiz, P.,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.5424/sjar/2008062-320"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Spanish%20Journal%20of%20Agricultural%20Research", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.5424/sjar/2008062-320", "name": "item", "description": "10.5424/sjar/2008062-320", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5424/sjar/2008062-320"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-06-01T00:00:00Z"}}, {"id": "10.5513/jcea01/18.1.1867", "type": "Feature", "geometry": null, "properties": {"updated": "2026-04-13T16:25:03Z", "type": "Journal Article", "created": "2017-03-21", "title": "Response Of Maize (Zea Mays L.) Grain Yield And Yield Components To Irrigation And Nitrogen Fertilization", "description": "Grain yield of maize is mostly affected by amount of available water and nitrogen and correlated to yield components. In this 2-years study the influence of different irrigation water amounts (a1=rainfed ; a2=60-100% field water capacity (FWC) ; a3=80-100% FWC), nitrogen fertilizer levels (b1=0 kg*N*ha-1 ; b2=100 kg*N*ha-1 ; b3=200 kg*N*ha-1) and hybrids (c1=OSSK515 ; c2=OS5997 ; c3=OS5775 ; c4=OS5885) on grain yield and yield components was tested. Furthermore the correlation analysis as well as direct and indirect path coefficients were used to analyse the connection between yield and yield components (grain number/cob, grain weight, 1000 grain weight, cob length, cob weight) across tested treatments. The influence of all tested factors was significant (P<0.05) in both years of study. Specific study results were obtained in extremely wet year 2010 when irrigation water reduced grain yield and yield components (a1=9.9 ; a2=8.8 ; a3=7.8 t*ha-1). Opposite to year 2013 when irrigation water increased grain yield as well as yield components (a1=8.9 ; a2=9.7 ; a3=10.3 t*ha-1). Nitrogen fertilizer was significant to all tested variables in both years of the study (b1=5.7 ; b2=9.2 ; b3=11.7 t*ha-1 in 2010 and b1=6.3 ; b2=8.9 ; b3=10.6 t*ha-1 in 2013). Generally, the greatest amount of nitrogen fertilizer the larger yield or yield components are achieved. The influence of hybrid was significant for all tested variables with exemption to 1000 grain weight and grain weight/cob during growing season 2013. In both years of the study hybrid c2 OS5997 achieved the highest yield as well as yield components. Correlation analysis showed strong positive correlation between yield and cob weight (r=0.77 (2010) ; r=0.84 (2013)) what is confirmed with direct and indirect path analysis test.", "keywords": ["0106 biological sciences", "2. Zero hunger", "S", "maize hybrids", "Agriculture", "04 agricultural and veterinary sciences", "yield", "correlation ; irrigation ; nitrogen fertilizer ; maize hybrids ; path analysis ; yield ; yield components", "01 natural sciences", "irrigation", "6. Clean water", "yield components", "correlation", "path analysis", "0401 agriculture", " forestry", " and fisheries", "nitrogen fertilizer"]}, "links": [{"href": "https://doi.org/10.5513/jcea01/18.1.1867"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Journal%20of%20Central%20European%20Agriculture", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.5513/jcea01/18.1.1867", "name": "item", "description": "10.5513/jcea01/18.1.1867", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5513/jcea01/18.1.1867"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2017-01-01T00:00:00Z"}}, {"id": "10492/6395", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-04-13T16:26:09Z", "type": "Journal Article", "created": "2018-08-06", "title": "The interaction of soil aggregate stability with other soil properties as influenced by manure and nitrogen fertilization", "description": "Soil water-stable aggregate (WSA) stability is one of the most important indicators of soil health, because it influences chemical, biological and other physical properties. At the same time, WSA formation, stabilization and degradation are also some of the most complex processes that occur in the soil, making them difficult to fully understand. In particular, there is a lack of research on WSA stability in the Baltic region. To gain a better understanding how aggregation occurs in Estonian pedo-climatic conditions, this study was conducted in 2014\u2013 2015 in a sandy loam Stagnic Luvisol (LV-st) (WRB, 2014). Potato and barley plots were analysed in a three-year crop rotation (potato \u2192 spring wheat \u2192 barley) with straw removal. The nitrogen (N) fertilization treatments were 0, 40, 80, 120 and 160 kg ha-1 yr-1 N, both without and with 40 Mg ha-1 fermented cattle farmyard manure (FYM) application prior to potato planting in the previous autumn. WSA stability was determined by Eijkelkamp\u2019s wet sieving apparatus from air-dried soil samples of less than 2 mm in diameter. The study revealed a negative correlation (r = \u22120.16) between increased N rates and WSA stability, regardless of FYM applications. Although soil organic carbon (SOC) content increased with additional N fertilization rates, the reduction in soil acidity (pHKCl) levels caused by N fertilization, most likely repealed the positive SOC content effect on WSA stability. In general, compared with sole N fertilization, FYM application had a positive effect on WSA stability. However, even though WSA stability did not always increase with FYM applications, it still had a positive effect on bulk density, SOC content and soil acidity levels. Further research is needed in Estonia due to the complexities involved in the soil aggregation process.", "keywords": ["2. Zero hunger", "soil aggregate stability", "articles", "barley", "potato", "0401 agriculture", " forestry", " and fisheries", "farmyard manure", "04 agricultural and veterinary sciences", "15. Life on land", "nitrogen fertilizer"]}, "links": [{"href": "https://doi.org/10492/6395"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Zemdirbyste-Agriculture", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10492/6395", "name": "item", "description": "10492/6395", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10492/6395"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2018-08-06T00:00:00Z"}}, {"id": "108d410a-aa51-4176-8384-3b6dd67812e6", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[8.64, 50.55], [8.64, 50.63], [8.72, 50.63], [8.72, 50.55], [8.64, 50.55]]]}, "properties": {"themes": [{"concepts": [{"id": "farming"}], "scheme": "https://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_TopicCategoryCode"}, {"concepts": [{"id": "Soil"}, {"id": "Top soil"}, {"id": "Subsoil"}, {"id": "environmental factors"}, {"id": "Nitrogen"}, {"id": "nitrogen fertilizers"}, {"id": "nitrogen cycle"}, {"id": "Soil analysis"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "Boden"}, {"id": "Bodennutzung"}, {"id": "Biologische Stickstoff-Fixierung"}, {"id": "Stickstoff"}, {"id": "Stickstoffixierung"}, {"id": "Stickstoffd\u00fcnger"}, {"id": "Leitf\u00e4higkeit"}, {"id": "Physikalisch-chemische Analyse"}], "scheme": "GEMET - Concepts, version 2.4"}, {"concepts": [{"id": "soil electrical conductivity"}, {"id": "soil salinity"}], "scheme": "Individual"}, {"concepts": [{"id": "Boden"}], "scheme": "GEMET - INSPIRE themes, version 1.0"}, {"concepts": [{"id": "opendata"}], "scheme": "Individual"}], "rights": "Restrictions applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations or warnings on using the resource or metadata. (e.g. Reports, articles, papers, scientific and non-scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \u201cData re-used from the BonaRes Data Centre www.bonares.de. This data were created as part of BonaRes Module A-Project - SOIL3's research activities.\u201d Although every care has been taken in preparing and testing the data, BonaRes Module A-Project- SOIL3 and BonaRes Data Centre cannot guarantee that the data are correct; neither does BonaRes Module A-Project and BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or dam-age arising from its use. The BonaRes Module A-Project-SOIL3 and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data. The access to this data is restricted during embargo time. If prior access is requested, contact the data owner/author.)", "updated": "2025-06-24", "type": "Dataset", "created": "2017-10-19", "language": "eng", "title": "Giessen long-term field experiment 'biological nitrogen fixation' - soil electrical conductivity", "description": "This data set reports the soil electrical conductivity from the Giessen long-term field experiment 'biological nitrogen fixation'. The experiment and data described in Hobley et al. 'Decoupling of subsoil carbon and nitrogen dynamics after long-term crop rotation and fertilization ', 2018, Agriculture, Ecosystems and Environment. https://doi.org/10.1016/j.agee.2018.06.021", "formats": [{"name": "CSV"}], "keywords": ["Soil", "Top soil", "Subsoil", "environmental factors", "Nitrogen", "nitrogen fertilizers", "nitrogen cycle", "Soil analysis", "Boden", "Bodennutzung", "Biologische Stickstoff-Fixierung", "Stickstoff", "Stickstoffixierung", "Stickstoffd\u00fcnger", "Leitf\u00e4higkeit", "Physikalisch-chemische Analyse", "soil electrical conductivity", "soil salinity", "Boden", "opendata"], "contacts": [{"name": "Eleanor Hobley", "organization": "TU Munich", "position": "Scientist", "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "nellie.hobley@wzw.tum.de"}], "addresses": [{"deliveryPoint": ["Emil-Ramann-Str. 2"], "city": "Freising-Weihenstephan", "administrativeArea": null, "postalCode": "85354", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Wulf Amelung", "organization": "University of Bonn", "position": "Professor", "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "wulf.amelung@uni-bonn.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "BonaRes Data Centre", "organization": "Leibniz Centre for Agricultural Landscape Research (ZALF)", "position": "Research Platform 'Data' - WG Geodata", "roles": ["publisher"], "phones": [{"value": "+49 33432 82 171"}], "emails": [{"value": "bonares-datenzentrum@zalf.de"}], "addresses": [{"deliveryPoint": ["Eberswalder Strasse 84"], "city": "M\u00fcncheberg", "administrativeArea": "Brandenburg", "postalCode": "15374", "country": "Germany"}], "links": [{"href": null}]}, {"organization": "TU Munich", "roles": ["contributor"]}]}, "links": [{"href": "https://maps.bonares.de/mapapps/resources/apps/bonares/index.html?lang=en&mid=108d410a-aa51-4176-8384-3b6dd67812e6", "rel": "download"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/5cc34bf0-657a-49c7-8198-57ad9ad8341f", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "108d410a-aa51-4176-8384-3b6dd67812e6", "name": "item", "description": "108d410a-aa51-4176-8384-3b6dd67812e6", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/108d410a-aa51-4176-8384-3b6dd67812e6"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2025-06-24T00:00:00Z"}}, {"id": "128d45f3-6d2b-4562-8a68-17d684da2943", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[14.13, 52.52], [14.13, 52.52], [14.13, 52.52], [14.13, 52.52], [14.13, 52.52]]]}, "properties": {"rights": "Restrictions applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations or warnings on using the resource or metadata. Reports, articles, papers, scientific and non - scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data reused from the BonaRes Data Centre www.bonares.de. This data were created as part of the BonaRes Module A-Project - BonaRes - Soil3's research activities.\" Although every care has been taken in preparing and testing the data, the BonaRes Module A-Project - BonaRes - Soil3 and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the BonaRes Module A-Project - BonaRes - Soil3 and the BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. The BonaRes Module A-Project - BonaRes - Soil3 and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data.", "updated": "2026-01-13", "type": "Service", "created": "2025-11-23", "language": "eng", "title": "Web Map Service of the field experiment V210 at ZALF", "description": "This Web Map Service includes spatial information used by datasets located at the field experiment V210 at ZALF Research Station M\u00fcncheberg.", "keywords": ["infoMapAccessService", "Soil", "Soil organic carbon", "Carbon sequestration", "Soil aggregates", "nitrogen fertilizers", "long-term experiments"], "contacts": [{"name": "Leibniz Centre for Agricultural Landscape Research", "organization": "ZALF", "position": "Computation and Data Service Platform - Workgroup Research Data Management", "roles": ["publisher"], "phones": [{"value": "+49 33432 82 300"}], "emails": [{"value": "dataservice@zalf.de"}], "addresses": [{"deliveryPoint": ["Eberswalder Strasse 84"], "city": "M\u00fcncheberg", "administrativeArea": "Brandenburg", "postalCode": "15374", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Dymphie J. Burger", "organization": "University of Bonn", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "dburger@uni-bonn.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0002-8773-3578", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Michael Sommer", "organization": "Leibniz Centre for Agricultural Landscape Research", "position": null, "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "sommer@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0003-3673-6063", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Sara L. Bauke", "organization": "University of Bonn", "position": null, "roles": ["researcher"], "phones": [{"value": null}], "emails": [{"value": "sarabauke@uni-bonn.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0003-2284-9593", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Wulf Amelung", "organization": "University of Bonn", "position": null, "roles": ["researcher"], "phones": [{"value": null}], "emails": [{"value": "wulf.amelung@uni-bonn.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"organization": "University of Bonn", "roles": ["contributor"]}], "themes": [{"concepts": [{"id": "infoMapAccessService"}], "scheme": "GEMET - INSPIRE themes, version 1.0"}, {"concepts": [{"id": "Soil"}, {"id": "Soil organic carbon"}, {"id": "Carbon sequestration"}, {"id": "Soil aggregates"}, {"id": "nitrogen fertilizers"}, {"id": "long-term experiments"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [], "scheme": "individual"}]}, "links": [{"href": "https://maps.bonares.de/mapapps/resources/apps/bonares/index.html?lang=en&mid=128d45f3-6d2b-4562-8a68-17d684da2943", "rel": "information"}, {"href": "https://maps.bonares.de/wss/service/ags-relay/ags/guest/arcgis/rest/services/Soil3/Soil3_ID_8067/MapServer/WMSServer?request=GetCapabilities&service=WMS"}, {"rel": "self", "type": "application/geo+json", "title": "128d45f3-6d2b-4562-8a68-17d684da2943", "name": "item", "description": "128d45f3-6d2b-4562-8a68-17d684da2943", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/128d45f3-6d2b-4562-8a68-17d684da2943"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2026-01-13T00:00:00Z"}}, {"id": "f4e91c32-f475-43cf-ba3c-f2c4d887660a", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[8.6, 50.53], [8.6, 50.63], [8.72, 50.63], [8.72, 50.53], [8.6, 50.53]]]}, "properties": {"themes": [{"concepts": [{"id": "farming"}], "scheme": "https://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_TopicCategoryCode"}, {"concepts": [{"id": "Soil"}, {"id": "Top soil"}, {"id": "Subsoil"}, {"id": "environmental factors"}, {"id": "Carbon"}, {"id": "carbon cycle"}, {"id": "nitrogen cycle"}, {"id": "soil transport processes"}, {"id": "nutrient cycling in ecosystems"}, {"id": "nitrogen cycle"}, {"id": "nitrogen fertilizers"}, {"id": "Nitrogen fixation"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "Soil"}, {"id": "D\u00fcngung"}, {"id": "Stickstoffd\u00fcnger"}, {"id": "Phosphatd\u00fcnger"}, {"id": "Kalid\u00fcnger"}, {"id": "Fruchtfolge"}], "scheme": "GEMET - Concepts, version 2.4"}, {"concepts": [{"id": "crop improvement"}], "scheme": "Individual"}, {"concepts": [{"id": "Boden"}], "scheme": "GEMET - INSPIRE themes, version 1.0"}, {"concepts": [{"id": "opendata"}], "scheme": "Individual"}], "rights": "Restrictions applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations or warnings on using the resource or metadata. (e.g. Reports, articles, papers, scientific and non-scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \u201cData re-used from the BonaRes Data Centre www.bonares.de. This data were created as part of BonaRes Module A-Project - SOIL3's research activities.\u201d Although every care has been taken in preparing and testing the data, BonaRes Module A-Project- SOIL3 and BonaRes Data Centre cannot guarantee that the data are correct; neither does BonaRes Module A-Project and BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or dam-age arising from its use. The BonaRes Module A-Project-SOIL3 and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data. The access to this data is restricted during embargo time. If prior access is requested, contact the data owner/author.)", "updated": "2025-06-24", "type": "Dataset", "created": "2017-10-19", "language": "eng", "title": "Giessen long-term field experiment 'biological nitrogen fixation' - stable carbon isotope ratios in soil", "description": "This data set reports the stable carbon isotope ratio (d13C) from the Giessen long-term field experiment 'biological nitrogen fixation'. Data analysis and interpretation is presented in Hobley et al. 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(e.g. Reports, articles, papers, scientific and non-scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \u201cData re-used from the BonaRes Data Centre www.bonares.de. This data were created as part of BonaRes Module A-Project - SOIL3's research activities.\u201d Although every care has been taken in preparing and testing the data, BonaRes Module A-Project- SOIL3 and BonaRes Data Centre cannot guarantee that the data are correct; neither does BonaRes Module A-Project and BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or dam-age arising from its use. The BonaRes Module A-Project-SOIL3 and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data. The access to this data is restricted during embargo time. If prior access is requested, contact the data owner/author.)", "updated": "2019-07-26", "type": "Dataset", "created": "2017-10-19", "language": "eng", "title": "Giessen long-term field experiment 'biological nitrogen fixation' - treatment plots", "description": "This data set describes the plot names and treatments of the Giessen long-term field experiment into biological nitrogen fixation. The treatment comprises a four-year crop rotation in which the first year is variable (fava bean, wheat or maize) crossed with various fertilization treatments (no fertilizer, PK fertilization or NPK fertilization). The experiment and data described in Hobley et al. 'Decoupling of subsoil carbon and nitrogen dynamics after long-term crop rotation and fertilization ', 2018, Agriculture, Ecosystems and Environment. https://doi.org/10.1016/j.agee.2018.06.021", "formats": [{"name": "CSV"}], "keywords": ["Fertilizer combinations", "Fertilizer application", "Legumes", "maize", "Nitrogen", "nitrogen fertilizers", "Nitrogen fixation", "Nutrient availability", "Subsoil", "Soil", "D\u00fcngung", "Stickstoffd\u00fcnger", "Phosphatd\u00fcnger", "Kalid\u00fcnger", "Fruchtfolge", "soil", "soil analysis", "crop improvement", "Boden", "opendata"], "contacts": [{"name": "Eleanor Hobley", "organization": "Technical University Munich", "position": "Scientist", "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "nellie.hobley@wzw.tum.de"}], "addresses": [{"deliveryPoint": ["Emil-Ramann-Str. 2"], "city": "Freising", "administrativeArea": null, "postalCode": "85354", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Wulf Amelung", "organization": "University of Bonn", "position": null, "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "wulf.amelung@uni-bonn.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "BonaRes Data Centre", "organization": "Leibniz Centre for Agricultural Landscape Research (ZALF)", "position": "Research Platform 'Data' - WG Geodata", "roles": ["publisher"], "phones": [{"value": "+49 33432 82 171"}], "emails": [{"value": "bonares-datenzentrum@zalf.de"}], "addresses": [{"deliveryPoint": ["Eberswalder Strasse 84"], "city": "M\u00fcncheberg", "administrativeArea": "Brandenburg", "postalCode": "15374", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Bernd Honermeier", "organization": "University of Gie\u00dfen", "position": "Professor", "roles": ["producer"], "phones": [{"value": null}], "emails": [{"value": "Bernd.Honermeier@agrar.uni-giessen.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "Martina Gocke", "organization": "Universit\u00e4t Bonn, INRES", "position": "research associate", "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "mgocke@uni-bonn.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"organization": "Technical University Munich;Universit\u00e4t Bonn, INRES", "roles": ["contributor"]}]}, "links": [{"href": "https://maps.bonares.de/mapapps/resources/apps/bonares/index.html?lang=en&doi=5cc34bf0-657a-49c7-8198-57ad9ad8341f", "rel": "download"}, {"rel": "self", "type": "application/geo+json", "title": "5cc34bf0-657a-49c7-8198-57ad9ad8341f", "name": "item", "description": "5cc34bf0-657a-49c7-8198-57ad9ad8341f", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/5cc34bf0-657a-49c7-8198-57ad9ad8341f"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2019-07-26T00:00:00Z"}}, {"id": "79d81fe8-0914-4d22-861b-0af531989ef8", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[8.66, 50.56], [8.66, 50.61], [8.72, 50.61], [8.72, 50.56], [8.66, 50.56]]]}, "properties": {"themes": [{"concepts": [{"id": "environment"}], "scheme": "https://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_TopicCategoryCode"}, {"concepts": [{"id": "Coarse grains"}, {"id": "Subsoil"}, {"id": "gravel"}, {"id": "Soil"}, {"id": "Nitrogen"}, {"id": "nitrogen fertilizers"}, {"id": "Nitrogen fixation"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "gravel"}, {"id": "Land use"}, {"id": "Soil"}, {"id": "Bodenchemie"}, {"id": "Stickstoff"}, {"id": "Stickstoffd\u00fcnger"}, {"id": "Stickstoffixierung"}], "scheme": "GEMET - Concepts, version 2.4"}, {"concepts": [{"id": "Rock content"}], "scheme": "Individual"}, {"concepts": [{"id": "Boden"}], "scheme": "GEMET - INSPIRE themes, version 1.0"}, {"concepts": [{"id": "opendata"}], "scheme": "Individual"}], "license": "CC BY", "rights": "Restrictions applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations or warnings on using the resource or metadata. (e.g. Reports, articles, papers, scientific and non-scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \u201cData re-used from the BonaRes Data Centre www.bonares.de. This data were created as part of BonaRes Module A-Project - SOIL3's research activities.\u201d Although every care has been taken in preparing and testing the data, BonaRes Module A-Project- SOIL3 and BonaRes Data Centre cannot guarantee that the data are correct; neither does BonaRes Module A-Project and BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or dam-age arising from its use. The BonaRes Module A-Project-SOIL3 and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data. The access to this data is restricted during embargo time. If prior access is requested, contact the data owner/author.)", "updated": "2019-07-26", "type": "Dataset", "created": "2017-10-19", "language": "eng", "title": "Giessen long-term field experiment 'biological nitrogen fixation' - soil coarse fraction", "description": "This data set reports the soil coarse fraction  2 mm as mass proportion of oven dry soil from the Giessen long-term field experiment investigating biological nitrogen fixation.", "formats": [{"name": "CSV"}], "keywords": ["Coarse grains", "Subsoil", "gravel", "Soil", "Nitrogen", "nitrogen fertilizers", "Nitrogen fixation", "gravel", "Land use", "Soil", "Bodenchemie", "Stickstoff", "Stickstoffd\u00fcnger", "Stickstoffixierung", "Rock content", "Boden", "opendata"], "contacts": [{"name": "Eleanor Hobley", "organization": "Technical University Munich", "position": "Scientist", "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "nellie.hobley@wzw.tum.de"}], "addresses": [{"deliveryPoint": ["Emil-Ramann-Str. 2"], "city": "Freising", "administrativeArea": null, "postalCode": "85354", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Wulf Amelung", "organization": "University of Bonn", "position": "Professor", "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "wulf.amelung@uni-bonn.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "BonaRes Data Centre", "organization": "Leibniz Centre for Agricultural Landscape Research (ZALF)", "position": "Research Platform 'Data' - WG Geodata", "roles": ["publisher"], "phones": [{"value": "+49 33432 82 171"}], "emails": [{"value": "bonares-datenzentrum@zalf.de"}], "addresses": [{"deliveryPoint": ["Eberswalder Strasse 84"], "city": "M\u00fcncheberg", "administrativeArea": "Brandenburg", "postalCode": "15374", "country": "Germany"}], "links": [{"href": null}]}, {"organization": "Technical University Munich", "roles": ["contributor"]}]}, "links": [{"href": "https://maps.bonares.de/mapapps/resources/apps/bonares/index.html?lang=en&mid=79d81fe8-0914-4d22-861b-0af531989ef8", "rel": "download"}, {"rel": "self", "type": "application/geo+json", "title": "79d81fe8-0914-4d22-861b-0af531989ef8", "name": "item", "description": "79d81fe8-0914-4d22-861b-0af531989ef8", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/79d81fe8-0914-4d22-861b-0af531989ef8"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2019-07-26T00:00:00Z"}}, {"id": "932661ee-7538-432d-81ea-6292a595bdb7", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[13.78, 53.38], [13.78, 53.38], [13.79, 53.38], [13.79, 53.38], [13.78, 53.38]]]}, "properties": {"themes": [{"concepts": [{"id": "farming"}], "scheme": "https://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_TopicCategoryCode"}, {"concepts": [{"id": "Soil"}, {"id": "soil types"}, {"id": "erosion"}, {"id": "nitrogen fertilizers"}, {"id": "nitrous oxide"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "opendata"}, {"id": "manual chambers"}], "scheme": "Individual"}, {"concepts": [{"id": "Boden"}], "scheme": "GEMET - INSPIRE themes, version 1.0"}, {"concepts": [{"id": "Germany"}, {"id": "Brandenburg"}, {"id": "Uckermark"}, {"id": "Quillow"}], "scheme": "Individual"}], "rights": "Restrictions applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations or warnings on using the resource or metadata. Reports, articles, papers, scientific and non - scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data reused from the BonaRes Data Centre www.bonares.de. This data were created as part of the ZALF Datenerfassung's research activities.\" Although every care has been taken in preparing and testing the data, the ZALF Datenerfassung and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the ZALF Datenerfassung and the BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. The ZALF Datenerfassung and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data. The access to this data is restricted during embargo time. If prior access is requested, contact the data owner / author.", "updated": "2023-08-16", "type": "Dataset", "created": "2022-03-03", "language": "eng", "title": "Similar strong impact of N fertilizer form and terrain position on N2O emission from eroded croplands (Part 2 of data colletcion, table modelled_N2O_fluxes)", "description": "Soil erosion affects 20% of croplands. However, our understanding of the effect that soil erosion might have on emissions of N2O, which is one of the most potent greenhouse gases, is still limited. This limitation is likely because the small-scale differences in soil properties and fertility induced by erosion (i.e. ranges of erosion states) have barely been considered in studies quantifying N2O emissions from croplands. There are, however, indications that the erosion state itself strongly impacts N2O fluxes, similar to the N fertilizer form. Therefore, our investigations aimed to further explore these indications. The soil and erosion stages of the study area are classified as Albic Luvisols (LVa; non-eroded dry soil), Calcaric Regosol (RGca; extremely eroded dry soil) and Endogleyic Colluvic Regosols (RGco; wet colluvial soil in a depression). \n\n\nThis datasets contains data of soil data, N2O flux obtained from the measurements that were conducted from 03/05/2010 to 03/05/2013 within the hummocky ground moraine landscape of northeastern Germany (CarboZALF-D), modelled N2O flux and Nmin data. The three N fertilizer forms that were used in this study are organic fertilizer with biogas fermentation residue, mineral fertilizer with Calcium Ammonium Nitrate and a mixture of mineral and biogas fermentation residue.", "formats": [{"name": "CSV"}], "keywords": ["Soil", "soil types", "erosion", "nitrogen fertilizers", "nitrous oxide", "opendata", "manual chambers", "Boden", "Germany", "Brandenburg", "Uckermark", "Quillow"], "contacts": [{"name": "BonaRes Data Centre", "organization": "Leibniz Centre for Agricultural Landscape Research (ZALF)", "position": "Research Platform 'Data Analysis & Simulation' - WG Geodata", "roles": ["publisher"], "phones": [{"value": "+49 33432 82 171"}], "emails": [{"value": "bonares-datenzentrum@zalf.de"}], "addresses": [{"deliveryPoint": ["Eberswalder Strasse 84"], "city": "M\u00fcncheberg", "administrativeArea": "Brandenburg", "postalCode": "15374", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Shrijana Vaidya", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "Shrijana.Vaidya@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0001-7699-5532", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Maire Holz", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "maire.holz@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0002-1825-2308", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Reena Macagga", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "reena.macagga@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "Mogens Thalmann", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "mogens.thalmann@gmail.com"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "Nicole Jurisch", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "n.jurisch@web.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "Natalia Pehle", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "Natalia.Pehle@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "Gernot Verch", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "verch@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0003-3480-5248", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Michael Sommer", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "sommer@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "J\u00fcrgen Augustin", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "jaug@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "Mathias Hoffmann", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "mathias.hoffmann@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": {"url": null, "protocol": null, "protocol_url": "", "name": "0000-0002-2776-1403", "name_url": "", "description": "ORCID", "description_url": "", "applicationprofile": null, "applicationprofile_url": "", "function": null}}]}, {"name": "Shrijana Vaidya", "organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "position": null, "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "Shrijana.Vaidya@zalf.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"organization": "Leibniz Center for Agricultural Landscape Research (ZALF e.V.)", "roles": ["contributor"]}]}, "links": [{"href": "https://maps.bonares.de/mapapps/resources/apps/bonares/index.html?lang=en&mid=932661ee-7538-432d-81ea-6292a595bdb7", "rel": "information"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/31e8fc8a-fbc5-465c-bf6d-35bdbf92459f", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "932661ee-7538-432d-81ea-6292a595bdb7", "name": "item", "description": "932661ee-7538-432d-81ea-6292a595bdb7", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/932661ee-7538-432d-81ea-6292a595bdb7"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"interval": ["2010-05-03T00:00:00Z", "2013-05-03T00:00:00Z"]}}, {"id": "9b296f99-f6a0-423c-9716-6a04fd2e502f", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[8.08, 49.0], [8.08, 49.65], [8.67, 49.65], [8.67, 49.0], [8.08, 49.0]]]}, "properties": {"themes": [{"concepts": [{"id": "environment"}], "scheme": "https://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_TopicCategoryCode"}, {"concepts": [{"id": "agriculture"}, {"id": "Agricultural research"}, {"id": "Organic amendments"}, {"id": "nitrogen fertilizers"}, {"id": "Seasonal development"}, {"id": "Ploughing"}, {"id": "Nutrient availability"}, {"id": "soil fertility"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "Stickstoffd\u00fcnger"}, {"id": "Tiermist"}, {"id": "Fruchtfolge"}, {"id": "Landwirtschaft"}, {"id": "N\u00e4hrstoffgehalt"}, {"id": "Langzeitversuch"}, {"id": "Nutzpflanzenproduktion"}], "scheme": "GEMET - Concepts, version 2.4"}, {"concepts": [{"id": "opendata"}], "scheme": "Individual"}, {"concepts": [{"id": "Boden"}, {"id": "inspireidentifiziert"}], "scheme": "GEMET - INSPIRE themes, version 1.0"}], "rights": "The data are available to the public domain.", "updated": "2020-12-02", "type": "Dataset", "created": "2017-05-29", "language": "ger", "title": "Soil Bacterial Community IOSDV Speyer, Germany", "description": "Organic and mineral fertilization in combination are relevant factors which are controlling availability of mineral nutrients and humus development. In contrast to mineral fertilizer, humus acts as long-term source of nutrients and is a basis element of soil fertility. The international fertilization trial (IOSDV) at the research facility Rinkenbergerhof at the LUFA Speyer (Germany) was set up in the year 1984 and planted with a repeating crop rotation: winter wheat, winter barley, and sugar beet. This data set comprises only the soil management variant \u201cploughing\u201d. Other treatment factors were: (1) no organic amendment, farmyard (horse) manure treatment every three years to sugar beet fields, and crop residues + catch crop treatment; (2) without and with mineral N fertilization. More experimental details are available in German from the LUFA Speyer (Germany): VDLUFA, 121. VDLUFA-Kongress, Kongressband, Teil 2, Beitr\u00e4ge aus den \u00f6ffentlichen Sitzungen der Fachrichtung Pflanzen- und Tierproduktion am 16. September 2009, Karlsruhe, Schriftenreihe Bd. 65/2009, ISBN 978-3-941273-07-8 (German): https://www.vdlufa.de/kongress2009/KB2009Teil2.pdf. Parameters of the data set were determined on basis of standardized VDLUFA and DIN guidelines by the LUFA Speyer (Germany). The data set contains data of 72 samples, which were sampled during four sampling seasons with winter barley and sugar beet as crop plant and contained 3 field replicates of 6 treatment combinations. The bacterial bulk soil community structure of all samples was characterised by amplicon sequencing of the V1-V2 region of the bacterial 16S rRNA gene using primers 27F (5\u2032-AGAGTTTGATCMTGGC-3\u2032) and 357R (5'-CTGCTGCCTYCCGTA-3'). Results show that the bacterial community in the long term is mainly altered by mineral fertilization and, on a lower level by horse manure. The bacterial class Bacilli was an evident positive responder to manure application. However, both manure and crop residues are valueable amendments for farmland, since both mitigate the negative effects of mineral fertilizer on the connectivity of bacterial interaction networks. Related publications: Schmid, C. A., Schr\u00f6der, P., Armbruster, M., & Schloter, M. (2017). Organic Amendments in a Long-term Field Trial \u2014 Consequences for the Bulk Soil Bacterial Community as Revealed by Network Analysis. Microbial Ecology, 1-14.\n\nDownload: https://www.ncbi.nlm.nih.gov/bioproject/PRJNA388309", "formats": [{"name": "FASTQ"}], "keywords": ["agriculture", "Agricultural research", "Organic amendments", "nitrogen fertilizers", "Seasonal development", "Ploughing", "Nutrient availability", "soil fertility", "Stickstoffd\u00fcnger", "Tiermist", "Fruchtfolge", "Landwirtschaft", "N\u00e4hrstoffgehalt", "Langzeitversuch", "Nutzpflanzenproduktion", "opendata", "Boden", "inspireidentifiziert"], "contacts": [{"name": "Schmid, Christoph", "organization": "COMI, Helmholtz Zentrum M\u00fcnchen GmbH", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "no longer available"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": "Germany"}], "links": [{"href": null}]}, {"name": "Schr\u00f6der, Peter", "organization": "COMI, Helmholtz Zentrum M\u00fcnchen GmbH", "position": null, "roles": ["projectMember"], "phones": [{"value": null}], "emails": [{"value": "peter.schroeder@helmholtz-muenchen.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": "Germany"}], "links": [{"href": null}]}, {"name": "Schloter, Michael", "organization": "COMI, Helmholtz Zentrum M\u00fcnchen GmbH", "position": null, "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "schloter@helmholtz-muenchen.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": "Germany"}], "links": [{"href": null}]}, {"name": "Sequence Read Archive", "organization": "National Center for Biotechnology Information, U.S. National Library of Medicine", "position": null, "roles": ["publisher"], "phones": [{"value": null}], "emails": [{"value": "info@ncbi.nlm.nih.gov"}], "addresses": [{"deliveryPoint": ["8600 Rockville Pike"], "city": "Bethesda", "administrativeArea": "Maryland", "postalCode": "20894", "country": "USA"}], "links": [{"href": null}]}, {"organization": "COMI, Helmholtz Zentrum M\u00fcnchen GmbH", "roles": ["contributor"]}]}, "links": [{"href": "https://www.ncbi.nlm.nih.gov/bioproject/PRJNA388309", "rel": "download"}, {"href": "https://maps.bonares.de/mapapps/resources/apps/bonares/index.html?lang=en&doi=9b296f99-f6a0-423c-9716-6a04fd2e502f", "rel": "information"}, {"href": "https://metadata.bonares.de:443/smartEditor/preview/Inplamint_3_speyer_ID5001_5004.PNG", "name": "preview", "description": "Web image thumbnail (URL)", "protocol": "WWW:LINK-1.0-http--image-thumbnail", "rel": "preview"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/6633c8ca-2dd7-4142-ad6d-ee6ee2d2b5af", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "9b296f99-f6a0-423c-9716-6a04fd2e502f", "name": "item", "description": "9b296f99-f6a0-423c-9716-6a04fd2e502f", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/9b296f99-f6a0-423c-9716-6a04fd2e502f"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2020-12-02T00:00:00Z"}}, {"id": "23fc5638-f569-403d-9e8e-fbca87ae7792", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[8.86, 50.76], [8.86, 50.77], [8.88, 50.77], [8.88, 50.76], [8.86, 50.76]]]}, "properties": {"themes": [{"concepts": [{"id": "farming"}], "scheme": "https://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_TopicCategoryCode"}, {"concepts": [{"id": "Boden"}, {"id": "Langzeitversuch"}, {"id": "Landwirtschaft"}], "scheme": "GEMET - 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Reports, articles, papers, scientific and non - scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data reused from the BonaRes Data Centre www.bonares.de. This data were created as part of the LTFE Rauischholzhausen's research activities.\" Although every care has been taken in preparing and testing the data, the LTFE Rauischholzhausen and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the LTFE Rauischholzhausen and the BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. 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"roles": ["author"], "phones": [{"value": "+49 (0) 641-99 37431"}], "emails": [{"value": "Bernd.Honermeier@agrar.uni-giessen.de"}], "addresses": [{"deliveryPoint": ["Heinrich-Buff-Ring 26"], "city": "Giessen", "administrativeArea": null, "postalCode": "D-35392", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Beate Stumpf", "organization": "Justus Liebig University Giessen", "position": "Department of Agronomy", "roles": ["author"], "phones": [{"value": "+49 (0) 641-99 37431"}], "emails": [{"value": "|"}], "addresses": [{"deliveryPoint": ["Heinrich-Buff-Ring 26"], "city": "Giessen", "administrativeArea": null, "postalCode": "D-35392", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Bettina Leschhorn", "organization": "Justus Liebig University Giessen", "position": "Department of Agronomy", "roles": ["author"], "phones": [{"value": "+49 (0) 641-99 37431"}], "emails": [{"value": "bettina.leschhorn@rpgi.hessen.de"}], "addresses": [{"deliveryPoint": ["Heinrich-Buff-Ring 26"], "city": "Giessen", "administrativeArea": null, "postalCode": "D-35392", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Karl-Heinz Balser", "organization": "Justus Liebig University Giessen", "position": "Department of Agronomy", "roles": ["author"], "phones": [{"value": "+49 (0) 641-99 37431"}], "emails": [{"value": "karlheinz.balzer@agrar.uni-giessen.de"}], "addresses": [{"deliveryPoint": ["Heinrich-Buff-Ring 26"], "city": "Giessen", "administrativeArea": null, "postalCode": "D-35392", "country": "Germany"}], "links": [{"href": null}]}, {"name": "Lothar Behle-Schalk", "organization": "Justus Liebig University Giessen", "position": "Department of Agronomy", "roles": ["author"], "phones": [{"value": "+49 (0) 641-99 37431"}], "emails": [{"value": "|"}], "addresses": [{"deliveryPoint": ["Heinrich-Buff-Ring 26"], "city": "Giessen", "administrativeArea": null, "postalCode": "D-35392", "country": "Germany"}], "links": [{"href": null}]}, 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Reports, articles, papers, scientific and non - scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data reused from the BonaRes Data Centre www.bonares.de. This data were created as part of the Other's research activities.\" Although every care has been taken in preparing and testing the data, the Other and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the Other and the BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. 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IGZ", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "boenecke@igzev.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "Dominik M\u00fcller", "organization": "Martin-Luther University Halle-Wittenberg", "position": null, "roles": ["projectLeader"], "phones": [{"value": null}], "emails": [{"value": "dominik.mueller2@student.uni-halle.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"name": "ZALF", "organization": "Leibniz Centre for Agricultural Landscape Research (ZALF)", "position": "Research Platform 'Data Analysis & Simulation' - Workgroup Research Data Management", "roles": ["publisher"], "phones": [{"value": "+49 33432 82 300"}], "emails": [{"value": "dataservice@zalf.de"}], "addresses": [{"deliveryPoint": ["Eberswalder Strasse 84"], "city": "M\u00fcncheberg", "administrativeArea": "Brandenburg", "postalCode": "15374", "country": "Germany"}], "links": [{"href": null}]}, {"name": "J\u00f6rg R\u00fchlmann", "organization": "Leibniz-Institut f\u00fcr Gem\u00fcse- und Zierpflanzenbau - IGZ", "position": null, "roles": ["author"], "phones": [{"value": null}], "emails": [{"value": "ruehlmann@igzev.de"}], "addresses": [{"deliveryPoint": [null], "city": null, "administrativeArea": null, "postalCode": null, "country": null}], "links": [{"href": null}]}, {"organization": "Leibniz-Institut f\u00fcr Gem\u00fcse- und Zierpflanzenbau - IGZ", "roles": ["contributor"]}], "title_alternate": "LTE: Part 25/25, table: Experiment Setting"}, "links": [{"href": "https://maps.bonares.de/mapapps/resources/apps/bonares/index.html?lang=en&mid=", "rel": "download"}, {"href": "https://metadata.bonares.de:443/smartEditor/preview/Sellerie_2016.JPG", "name": "preview", "description": "Web image thumbnail (URL)", "protocol": "WWW:LINK-1.0-http--image-thumbnail", "rel": "preview"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/03b52930-0210-4bfc-a4ac-75f7544ce7a5", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "a2fbdaab-010f-4778-840b-27e9f1b002dd", "name": "item", "description": "a2fbdaab-010f-4778-840b-27e9f1b002dd", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/a2fbdaab-010f-4778-840b-27e9f1b002dd"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2024-08-27T00:00:00Z"}}, {"id": "aa54a7b6-ad28-408a-91f5-a2c789604708", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[11.37, 51.66], [11.37, 52.12], [12.1, 52.12], [12.1, 51.66], [11.37, 51.66]]]}, "properties": {"themes": [{"concepts": [{"id": "farming"}], "scheme": "https://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_TopicCategoryCode"}, {"concepts": [{"id": "Soil"}, {"id": "nitrogen fertilizers"}, {"id": "tillage"}, {"id": "crop rotation"}, {"id": "winter wheat"}, {"id": "winter barley"}, {"id": "rapeseed"}, {"id": "maize"}, {"id": "yields"}, {"id": "topsoil"}, {"id": "roots"}, {"id": "rhizosphere"}, {"id": "microbiomes"}, {"id": "soil bacteria"}, {"id": "soil fungi"}, {"id": "arid zones"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "opendata"}], "scheme": "Individual"}, {"concepts": [{"id": "nitrogenous fertiliser"}, {"id": "cultivation"}, {"id": "yield (agricultural)"}], "scheme": "GEMET - Concepts, version 2.4"}], "rights": "Restrictions applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations or warnings on using the resource or metadata. Reports, articles, papers, scientific and non - scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data reused from the BonaRes Data Centre www.bonares.de. This data were created as part of the LTE Westerfeld's research activities.\" Although every care has been taken in preparing and testing the data, the LTE Westerfeld and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the LTE Westerfeld and the BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. 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Reports, articles, papers, scientific and non - scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data reused from the BonaRes Data Centre www.bonares.de. This data were created as part of the ZALF Datenerfassung's research activities.\" Although every care has been taken in preparing and testing the data, the ZALF Datenerfassung and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the ZALF Datenerfassung and the BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. 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{"license": "Open Access", "updated": "2026-04-13T16:30:01Z", "type": "Journal Article", "created": "2024-03-13", "title": "Enhancing Phytoextraction Potential of Brassica napus for Contaminated Dredged Sediment Using Nitrogen Fertilizers and Organic Acids", "description": "<?xml version='1.0' encoding='UTF-8'?><article><p>Dredged sediment contaminated with heavy metals can be remediated through phytoremediation. The main challenge in phytoremediation is the limited availability of heavy metals for plant uptake, particularly in multi-contaminated soil or sediment. This study aimed to assess the effect of the nitrogen fertilizers (ammonium nitrate (AN), ammonium sulfate (AS), and urea (UR)), organic acids (oxalic (OA) and malic (MA) acids), and their combined addition to sediment on enhancing the bioavailability and phytoremediation efficiency of heavy metals. The sediment dredged from Begej Canal (Serbia) had high levels of Cr, Cd, Cu, and Pb and was used in pot experiments to cultivate energy crop rapeseed (Brassica napus), which is known for its tolerance to heavy metals. The highest accumulation and translocation of Cu, Cd, and Pb were observed in the treatment with AN at a dose of 150 mg N/kg (AN150), in which shoot biomass was also the highest. The application of OA and MA increased heavy metal uptake but resulted in the lowest biomass production. A combination of MA with N fertilizers showed high uptake and accumulation of Cr and Cu.</p></article>", "keywords": ["2. Zero hunger", "Brassica napus", "dredged sediment", "Botany", "contaminated soils", "rapeseed", "phytoremediation", "15. Life on land", "7. Clean energy", "Article", "6. Clean water", "<i>Brassica napus</i>", "phytoextraction", "nitrogen fertilizers", "13. Climate action", "QK1-989", "organic acids", "heavy metals"]}, "links": [{"href": "https://www.mdpi.com/2223-7747/13/6/818/pdf"}, {"href": "https://doi.org/PMC10976009"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Plants", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "PMC10976009", "name": "item", "description": "PMC10976009", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/PMC10976009"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2024-03-13T00:00:00Z"}}, {"id": "912bdda4-691c-42db-8dfe-e28ec181914b", "type": "Feature", "geometry": {"type": "Polygon", "coordinates": [[[8.5, 49.78], [8.5, 49.96], [8.78, 49.96], [8.78, 49.78], [8.5, 49.78]]]}, "properties": {"themes": [{"concepts": [{"id": "farming"}], "scheme": "https://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_TopicCategoryCode"}, {"concepts": [{"id": "Boden"}, {"id": "Langzeitversuch"}, {"id": "Landwirtschaft"}], "scheme": "GEMET - Concepts, version 2.4"}, {"concepts": [{"id": "Versuchsanlage"}], "scheme": "GEMET - Concepts, version 2.4"}, {"concepts": [{"id": "agriculture"}, {"id": "Field experimentation"}, {"id": "Agricultural research"}, {"id": "Research methods"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "Field size"}, {"id": "Field shape"}, {"id": "plot design"}, {"id": "Geodesy"}, {"id": "fertilizers"}, {"id": "Inorganic fertilizers"}, {"id": "Organic fertilizers"}, {"id": "Fertilization"}, {"id": "Fertilizer application"}, {"id": "nitrogen fertilizers"}, {"id": "Phosphate fertilizers"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "Dauerfeldversuch"}, {"id": "Dauerversuch"}, {"id": "Langzeitfeldversuch"}, {"id": "Langzeitversuch"}, {"id": "Dauerd\u00fcngungversuch"}, {"id": "Langzeitd\u00fcngungsversuch"}, {"id": "DFV"}, {"id": "DDV"}, {"id": "DV"}, {"id": "Long-Term Field Experiment"}, {"id": "Long-Term Experiment"}, {"id": "Long-Term Trial"}, {"id": "Long-Term Field Trial"}, {"id": "Long-Term Fertilizer Experiment"}, {"id": "Long-Term Soil Experiment"}, {"id": "LTFE"}, {"id": "LTE"}, {"id": "LTSE"}, {"id": "opendata"}], "scheme": "individual"}, {"concepts": [{"id": "Boden"}], "scheme": "GEMET - INSPIRE themes, version 1.0"}], "rights": "Restrictions applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations or warnings on using the resource or metadata. Reports, articles, papers, scientific and non - scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data reused from the BonaRes Data Centre www.bonares.de. This data were created as part of the Forschungsring e.V. 's research activities.\" Although every care has been taken in preparing and testing the data, the Forschungsring e.V. and the BonaRes Data Centre cannot guarantee that the data are correct; neither does theForschungsring e.V. and the BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. The Forschungsring e.V. and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data.", "updated": "2022-06-08", "type": "Dataset", "created": "2019-08-13", "language": "eng", "title": "Long-term fertilization field experiment Darmstadt (Feld E) from 1996 to 2009 - Fertilization (Data collection)", "description": "Child table of \u201cLong-term fertilization field experiment Darmstadt (Feld E) from 1996 to 2009\u201d. Table with information about applied fertilizing measures. General description can be found in the parent table - Plot information. 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INSPIRE themes, version 1.0"}], "rights": "Restrictions applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations or warnings on using the resource or metadata. Reports, articles, papers, scientific and non - scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data reused from the BonaRes Data Centre www.bonares.de. This data were created as part of the Forschungsring e.V. 's research activities.\" Although every care has been taken in preparing and testing the data, the Forschungsring e.V. and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the Forschungsring e.V. and the BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. The Forschungsring e.V. and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data.", "updated": "2022-06-07", "type": "Dataset", "created": "2019-07-15", "language": "eng", "title": "Long-term fertilization field experiment Darmstadt (Feld A) from 1981 to 2009 - Fertilization (Data collection)", "description": "Child table of \u201cLong-term fertilization field experiment Darmstadt (Feld A) from 1981 to 2009\u201d. Table with information about applied fertilizing measures. General description can be found in the parent table - Plot information. 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Reports, articles, papers, scientific and non - scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data reused from the BonaRes Data Centre www.bonares.de. This data were created as part of the Forschungsring e.V. 's research activities.\" Although every care has been taken in preparing and testing the data, the Forschungsring e.V. and the BonaRes Data Centre cannot guarantee that the data are correct; neither does the Forschungsring e.V. and the BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. The Forschungsring e.V. and BonaRes Data Centre will not be responsible for any direct or indirect use which might be made of the data.", "updated": "2022-06-07", "type": "Dataset", "created": "2019-07-15", "language": "eng", "title": "Long-term fertilization field experiment Darmstadt (Feld A) from 1981 to 2009 - Factor 2 levels (Data collection)", "description": "Child table of \u201cLong-term fertilization field experiment Darmstadt (Feld A) from 1981 to 2009\u201d. Table with information about the levels of factor 2 of the trial. General description can be found in the parent table - Plot information. 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These data were created as part of ZALF research activities\". Although every care has been taken in preparing and testing the data, ZALF and BonaRes Data Centre cannot guarantee that the data are correct; neither does ZALF and BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. The ZALF and Data Centre will not be responsible for any direct or indirect use which might be made of the data. If access to actual data is requested, please contact the data owner/author because these underlay an embargo. Please cite as: Barkusky et al. 2018, LTFE V140, ZALF M\u00fcncheberg, Table \"Fertilization\". 10.20387/BonaRes-BSVY-R418\n\nThis data/file was excluded from further dissemination and should no longer be used.", "updated": "2020-12-01", "type": "Dataset", "created": "2018-05-17", "language": "eng", "title": "Long-term field experiment V140 Muencheberg from 1963 to 2009 - Fertilization", "description": "This data/file has been withdrawn by the author and is no longer available for free reuse.\n\nAuthor's statement: The published LTE-data was withdrawn and replaced by an updated Version.The usability of the tables is enhanced and the experiment can be analyzed in the new Version as a single factorial experiment. 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INSPIRE themes, version 1.0"}, {"concepts": [{"id": "D\u00fcngung"}], "scheme": "GEMET - Concepts, version 2.4"}, {"concepts": [{"id": "agriculture"}, {"id": "Field experimentation"}, {"id": "Fertilization"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "Fertilizer application"}, {"id": "Fertilization"}, {"id": "Potassium"}, {"id": "Phosphorus"}, {"id": "Biofertilizers"}, {"id": "farm inputs"}, {"id": "fertilizers"}, {"id": "Composts"}, {"id": "Organic fertilizers"}, {"id": "Phosphate fertilizers"}, {"id": "nitrogen fertilizers"}, {"id": "Inorganic fertilizers"}], "scheme": "AGROVOC Multilingual agricultural thesaurus"}, {"concepts": [{"id": "Dauerfeldversuch"}, {"id": "Dauerversuch"}, {"id": "Langzeitfeldversuch"}, {"id": "Langzeitversuch"}, {"id": "Dauerd\u00fcngungversuch"}, {"id": "Langzeitd\u00fcngungsversuch"}, {"id": "DFV"}, {"id": "DDV"}, {"id": "DV"}, {"id": "Long-Term Field Experiment"}, {"id": "Long-Term Experiment"}, {"id": "Long-Term Trial"}, {"id": "Long-Term Field Trial"}, {"id": "Long-Term Fertilizer Experiment"}, {"id": "Long-Term Soil Experiment"}, {"id": "LTFE"}, {"id": "LTE"}, {"id": "LTSE"}], "scheme": "individual"}], "rights": "Reports, articles, papers, scientific and non-scientific works of any form, including tables, maps, or any other kind of output, in printed or electronic form, based in whole or in part on the data supplied, must contain an acknowledgement of the form: \"Data re-used from the BonaRes Data Centre (www.bonares.de). These data were created as part of ZALF research activities\". Although every care has been taken in preparing and testing the data, ZALF and BonaRes Data Centre cannot guarantee that the data are correct; neither does ZALF and BonaRes Data Centre accept any liability whatsoever for any error, missing data or omission in the data, or for any loss or damage arising from its use. The ZALF and Data Centre will not be responsible for any direct or indirect use which might be made of the data. If access to actual data is requested, please contact the data owner/author because these underlay an embargo. Please cite as: Barkusky et al. 2018, LTFE V140, ZALF M\u00fcncheberg, Table \"Fertilization\". 10.20387/BonaRes-BSVY-R418 This data/file was excluded from further dissemination and should no longer be used. To cite the complete datacollection: Barkusky et al. (2021). LTE V140, ZALF M\u00fcncheberg, (Version 2.0). Leibniz Centre for Agricultural Landscape Research (ZALF). DOI: 10.20387/bonares-8fhj-r52g To cite the individual table: Barkusky et al. (2021). LTE V140, ZALF M\u00fcncheberg, (Version 2.0). Table: V2_0_2012_DUENGUNG. Leibniz Centre for Agricultural Landscape Research (ZALF). DOI: 10.20387/bonares-8fhj-r52g", "updated": "2021-05-03", "type": "Dataset", "created": "2018-05-17", "language": "eng", "title": "Long-term field experiment V140 Muencheberg from (launched in 1963) - Fertilization", "description": "Child table of long-term field experiment V140 Muencheberg. \n\nTable with information about applied fertilizing measures. General description about the V140 experiment can be found in the table V140 - Plots. 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