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oapen-20.500.12657-615412024-03-27T14:14:34Z Mechanisms of soil organic carbon sequestration and implications for management Kӧgel-Knabner, Ingrid Wiesmeier, Martin Mayer, Stefanie particulate organic matter organo-mineral associations organic carbon saturation rhizosphere detritusphere thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RB Earth sciences::RBG Geology, geomorphology and the lithosphere::RBGB Sedimentology and pedology thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVF Sustainable agriculture thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVK Agronomy and crop production thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVB Agricultural science Organic carbon sequestration is delineated from the different mechanisms underlying the storage of organic matter in mineral soils. The scene is set with definitions of the major terms within the complex of organic matter formation in soils, followed by describing the types of organic matter entering the soil and the major processes during turnover and the protective mechanisms leading to organic matter storage in soils. Detritusphere and rhizosphere are identified as soil compartments with high and specific organic matter input. From the process complex of OM degradation and binding, the potential of different soils for sequestering organic carbon is delineated and its limitations discussed with regard to the possibility of C saturation of mineral soils. In the light of these considerations, soil management options are deduced either by increasing organic carbon inputs to the soil by improved land use/management practices or by decreasing organic carbon outputs. 2023-02-27T12:22:03Z 2023-02-27T12:22:03Z 2023 chapter ONIX_20230227_9781801465717_49 9781801465717 https://library.oapen.org/handle/20.500.12657/61541 eng Burleigh Dodds Series in Agricultural Science application/pdf Attribution 4.0 International 9781801465717_web.pdf Burleigh Dodds Science Publishing Burleigh Dodds Science Publishing 10.19103/AS.2022.0106.02 10.19103/AS.2022.0106.02 9f8f6c63-e2ae-40b8-8aac-316abb377d6a Technische Universität München 9781801465717 Burleigh Dodds Science Publishing 36 Cambridge [...] open access
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