{"type": "FeatureCollection", "features": [{"id": "10.1016/j.soilbio.2008.05.007", "type": "Feature", "geometry": null, "properties": {"updated": "2026-09-22T16:16:29Z", "type": "Journal Article", "created": "2008-06-12", "title": "Long-Term Organic Farming Fosters Below And Aboveground Biota: Implications For Soil Quality, Biological Control And Productivity", "description": "Organic farming may contribute substantially to future agricultural production worldwide by improving soil quality and pest control, thereby reducing environmental impacts of conventional farming. We investigated in a comprehensive way soil chemical, as well as below and aboveground biological parameters of two organic and two conventional wheat farming systems that primarily differed in fertilization and weed management strategies. Contrast analyses identified management related differences between \u201cherbicide-free\u201d bioorganic (BIOORG) and biodynamic (BIODYN) systems and conventional systems with (CONFYM) or without manure (CONMIN) and herbicide application within a long-term agricultural experiment (DOK trial, Switzerland). Soil carbon content was significantly higher in systems receiving farmyard manure and concomitantly microbial biomass (fungi and bacteria) was increased. Microbial activity parameters, such as microbial basal respiration and nitrogen mineralization, showed an opposite pattern, suggesting that soil carbon in the conventional system (CONFYM) was more easily accessible to microorganisms than in organic systems. Bacterivorous nematodes and earthworms were most abundant in systems that received farmyard manure, which is in line with the responses of their potential food sources (microbes and organic matter). Mineral fertilizer application detrimentally affected enchytraeids and Diptera larvae, whereas aphids benefited. Spider abundance was favoured by organic management, most likely a response to increased prey availability from the belowground subsystem or increased weed coverage. In contrast to most soil-based, bottom-up controlled interactions, the twofold higher abundance of this generalist predator group in organic systems likely contributed to the significantly lower abundance of aboveground herbivore pests (aphids) in these systems. Long-term organic farming and the application of farmyard manure promoted soil quality, microbial biomass and fostered natural enemies and ecosystem engineers, suggesting enhanced nutrient cycling and pest control. Mineral fertilizers and herbicide application, in contrast, affected the potential for top-down control of aboveground pests negatively and reduced the organic carbon levels. Our study indicates that the use of synthetic fertilizers and herbicide application changes interactions within and between below and aboveground components, ultimately promoting negative environmental impacts of agriculture by reducing internal biological cycles and pest control. On the contrary, organic farming fosters microbial and faunal decomposers and this propagates into the aboveground system via generalist predators thereby increasing conservation biological control. However, grain and straw yields were 23% higher in systems receiving mineral fertilizers and herbicides reflecting the trade-off between productivity and environmental responsibility.", "keywords": ["[SDE] Environmental Sciences", "generalist predators", "respiration microbienne", "[SDV]Life Sciences [q-bio]", "faune du sol", "natural enemies", "alternative prey", "630", "nitrogen", "food-web", "Soil", "agriculture biologique", "cycle biologique", "herbicide", "min\u00e9ralisation de l'azote", "fertilisation organique", "fertilisation min\u00e9rale", "soil quality", "2. Zero hunger", "agriculture biodynamique", "agriculture conventionnelle", "nutrient cycling", "04 agricultural and veterinary sciences", "sustainability", "long terme", "6. 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Climate action", "Biodiversity and ecosystem services", "0401 agriculture", " forestry", " and fisheries", "farming system", "Cereals", " pulses and oilseeds"]}, "links": [{"href": "https://doi.org/10.1016/j.soilbio.2008.05.007"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Soil%20Biology%20and%20Biochemistry", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.soilbio.2008.05.007", "name": "item", "description": "10.1016/j.soilbio.2008.05.007", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.soilbio.2008.05.007"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-09-01T00:00:00Z"}}, {"id": "10.1111/j.0030-1299.2008.16333.x", "type": "Feature", "geometry": null, "properties": {"updated": "2026-09-22T16:17:52Z", "type": "Journal Article", "created": "2008-03-21", "title": "Earthworms Counterbalance The Negative Effect Of Microorganisms On Plant Diversity And Enhance The Tolerance Of Grasses To Nematodes", "description": "<p>Plant community composition is affected by a wide array of soil organisms with diverse feeding modes and functions. Former studies dealt with the high diversity and complexity of soil communities by focusing on particular functional groups in isolation, by grouping soil organisms into body size classes or by using whole communities from different origins. Our approach was to investigate both the individual and the interaction effects of highly abundant soil organisms (microorganisms, nematodes and earthworms) to evaluate their impacts on grassland plant communities. Earthworms increased total plant community biomass by stimulating root growth. Nematodes reduced the biomass of grasses, but this effect was alleviated by the presence of earthworms. Non\uffe2\uff80\uff90leguminous forb biomass increased in the presence of nematodes, probably due to an alleviation of the competitive strength of grasses by nematodes. Microorganisms reduced the diversity and evenness of the plant community, but only in the absence of earthworms. Legume biomass was not affected by soil organisms, butLotus corniculatusflowered earlier in the presence of microorganisms and the number of flowers decreased in the presence of nematodes. The results indicate that earthworms have a profound impact on the structure of grassland plant communities by counterbalancing the negative effects of plant\uffe2\uff80\uff90feeding nematodes on grasses and by conserving the evenness of the plant community. We propose that interacting effects of functionally dissimilar soil organisms on plant community performance have to be taken into account in future studies, since individual effects of soil organism groups may cancel out each other in functionally diverse soil communities.</p>", "keywords": ["2. Zero hunger", "0106 biological sciences", "0301 basic medicine", "productivity", "microbial biomass", "ground insect herbivory", "early succession", "15. 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