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Federal
Data from: Soil carbon and nitrogen data during eight years of cover crop and compost treatments in organic vegetable production
Department of Agriculture —
Data presented are on carbon (C) and nitrogen (N) inputs, and changes in soil C and N in eight systems during the first eight years of a tillage-intensive organic... -
Federal
LTAR Phosphorus Budget Summary
Department of Agriculture —
Surface agronomic P budgets for 61 cropping systems using field-scale P flux data across 24 research sites in the United States and Canada. Data are representative of...