Historical nitrogen fertilizer use in agricultural ecosystems of the contiguous United States during 1850–2015: application rate, timing, and fertilizer types - Cao, Peiyu; Lu, Chaoqun; Yu, Zhen (Earth system science data, 2018)
Keywords: Agricultural ecosystems; Agricultural land; Agricultural management; Agricultural production; Agrochemicals; Ammonia; Ammonium; Ammonium compounds; Anthropogenic factors; Corn; Corn belt; Crop production; Crops; Data processing; Ecological effects; Ecosystems; Emissions; Environmental impact; Environmental management; Fertilizers; Geographic information systems; Human influences; Modelling; Nitrates; Nitrogen; Nitrogen fertilizers; Pangea; Plains; Plant growth; Production increases; Ratios; Spatial analysis; United States; United States--US