Nitrogen Balance and Nitrogen Use Efficiency (NUE) Atlas from Rice, Wheat, Maize and Soybean at Global Scale
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CGIAR Research Program on Climate Change, Agriculture and Food Security. 2020. Nitrogen Balance and Nitrogen Use Efficiency (NUE) Atlas from Rice, Wheat, Maize and Soybean at Global Scale. Reported in Climate Change, Agriculture and Food Security Annual Report 2020. Innovations.
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We have 0.5 degree database on N input accounting all sources (synthetic fertilizers, animal manure, crop residues, soil mineralization, atmospheric deposition and N fixation). We are now working on N output using gridded data on crop harvest area and production with university of Minnesota, which will follow NUE atlas development.