{"type": "FeatureCollection", "features": [{"id": "10.1016/j.fcr.2014.08.004", "type": "Feature", "geometry": null, "properties": {"updated": "2026-09-20T16:15:32Z", "type": "Journal Article", "created": "2014-09-16", "title": "Benefits Of Legume\u2013Maize Rotations: Assessing The Impact Of Diversity On The Productivity Of Smallholders In Western Kenya", "description": "Abstract   Agricultural intensification of farming systems in sub-Saharan Africa is a prerequisite to alleviate rural poverty and improve livelihoods. Legumes have shown great potential to enhance system productivity. On-farm experiments were conducted in different agro-ecological zones (AEZ) in Western Kenya to assess the agronomic and economic benefits of promising legumes. In each zone, trials were established in fields of high, medium and low fertility to assess the effect of soil fertility heterogeneity on legume productivity and subsequent maize yield. Common bean, soybean, groundnut, lima bean, lablab, velvet bean, crotalaria, and jackbean were grown in the short rains season, followed by maize in the long rains season. Alongside, continuous maize treatments fertilised at different rates were established. AEZs and soil fertility gradients within these zones greatly affected crop productivity, returns to land and labour of rotations, as well as the relative performance of rotations. Poorer soil fertility and AEZs with lower rainfall gave smaller legume and maize yields and consequently, smaller returns to land and labour. The cultivation of legumes increased maize yields in the subsequent long rains season compared with continuous maize receiving fertiliser at a similar rate, while the increase of maize after green manure legumes was stronger than that after grain legumes. Maize yield responded strongly to increasing amounts of N applied as legume residues with diminishing returns to legume-N application rates above 100\u00a0kg\u00a0N\u00a0ha\u22121. In the low potential zones, factors other than improved N availability likely also stimulated maize yield. Rotations with grain legumes generally provided better returns than those with green manures. Intercropping bean with maize in the long rains season provided an additional bean yield that did not come at the expense of maize yield and improved returns to land and labour, but more so in the high potential zones. The results demonstrate the strong impact of biophysical diversity on the productivity of the legumes and suggest the need for careful targeting of legume technologies to the different biophysical conditions.", "keywords": ["2. Zero hunger", "semiarid kenya", "soil fertility", "legumes", "sustainable intensification", "cattle manure", "1. No poverty", "04 agricultural and veterinary sciences", "15. Life on land", "maize", "exploring diversity", "nitrogen", "economic analysis", "soybean glycine-max", "soil fertility management", "biophysics", "on-farm productivity", "0401 agriculture", " forestry", " and fisheries", "farming systems", "crop-livestock systems", "degraded soils"]}, "links": [{"href": "https://doi.org/10.1016/j.fcr.2014.08.004"}, {"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.2014.08.004", "name": "item", "description": "10.1016/j.fcr.2014.08.004", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.fcr.2014.08.004"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2014-11-01T00:00:00Z"}}, {"id": "10.1016/j.still.2010.07.011", "type": "Feature", "geometry": null, "properties": {"updated": "2026-09-20T16:16:20Z", "type": "Journal Article", "created": "2010-08-15", "title": "Impact Of Pasture, Agriculture And Crop-Livestock Systems On Soil C Stocks In Brazil", "description": "Abstract   Changes in land use can result in either sources or sinks of atmospheric carbon (C), depending on management practices. In Brazil, significant changes in land use result from the conversion of native vegetation to pasture and agriculture, conversion of pasture to agriculture and, more recently, the conversion of pasture and agriculture to integrated crop-livestock systems (ICL). The ICL system proposes a diversity of activities that include the strategic incorporation of pastures to agriculture so as to benefit both. In agricultural areas, for example, the implementation of ICL requires the production of quality forage for animals between crops as well as the production of straw to facilitate the sustainability of the no-tillage (NT) management system. The objective of this study was to evaluate the modifications in soil C stocks resulting from the main processes involved in the changes of land use in Amazonia and Cerrado biomes. For comparison purposes, areas under native vegetation, pastures, crop succession and ICL under different edapho-climatic conditions in Amazonia and Cerrado biomes were evaluated. This study demonstrated that the conversion of native vegetation to pasture can cause the soil to function either as a source or a sink of atmospheric CO2, depending on the land management applied. Non-degraded pasture under fertile soil showed a mean accumulation rate of 0.46\u00a0g\u00a0ha\u22121\u00a0year\u22121. Carbon losses from pastures implemented in naturally low fertile soil ranged from 0.15 to 1.53\u00a0Mg\u00a0ha\u22121\u00a0year\u22121, respectively, for non-degraded and degraded pasture. The conversion of native vegetation to agriculture in areas under the ICL system, even when cultivated under NT, resulted in C losses of 1.31 in six years and of 0.69\u00a0Mg\u00a0ha\u22121 in 21 years. The conversion of a non-degraded pasture to cropland (soybean/sorghum) released, in average, 1.44 Mg of C ha\u22121year\u22121to the atmosphere.  The ICL system in agricultural areas has shown evidences that it always functions as a sink of C with accumulation rates ranging from 0.82 to 2.58\u00a0Mg\u00a0ha\u22121\u00a0year\u22121. The ICL produces soil C accumulation and, as a consequence, reduces atmospheric CO2 in areas formerly cultivated under crop succession. However, the magnitude of C accumulation in soil depends on factors such as the types of crops, the edapho-climatic conditions and the amount of time the area is under ICL.", "keywords": ["[SDV.SA]Life Sciences [q-bio]/Agricultural sciences", "550", "limiting water range", "01 natural sciences", "630", "atlantic forest", "Amazonia", "Crop-livestock systems", "Land use change", "0105 earth and related environmental sciences", "2. 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This database contains data on effects of tropical forage technologies from 72 pre-selected experimental studies from across SSA. The experimental studies were selected and compiled following a well-defined systematic literature search of peer-reviewed articles in Scopus conducted in June 2016. The systematic search of studies was complemented with references cited in the primary literature including unpublished studies from the authors\u2019 personal networks. The database contains data from four technology clusters (improved feed regime, improved germplasm, improvement management, improved cropping system integration), and includes effects on quality and quantity of forage, livestock productivity, soil quality, economic performance, and food crop productivity.", "keywords": ["integrated crop-livestock systems", "sistemas pecuarios", "HERBACEOUS PLANTS", "CROPPING SYSTEMS", "MULTI-DIMENSIONAL IMPACTS", "SOIL ORGANIC CARBON", "feed grasses", "herbaceous plants", "HERBACEOUS LEGUME", "livestock productivity", "FORAGE", "CROP-LIVESTOCK SYSTEMS", "LIVESTOCK PRODUCTIVITY", "FORAGE AGRONOMY", "FORAGE GRASS", "2. Zero hunger", "FEED GRASSES", "Crops for Nutrition and Health", "agronomy", "Agricultural Sciences", "forage grass", "sustainable intensification", "agricultural productivity", "livestock systems", "cropping systems", "15. 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