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. 2022 Jan;51(1):17-24.
doi: 10.1007/s13280-021-01526-w.

Nitrogen and the future of agriculture: 20 years on : This article belongs to Ambio's 50th Anniversary Collection. Theme: Solutions-oriented research

Kenneth G Cassman  1 , Achim Dobermann  2
Affiliations

Nitrogen and the future of agriculture: 20 years on : This article belongs to Ambio's 50th Anniversary Collection. Theme: Solutions-oriented research

Kenneth G Cassman et al. Ambio. 2022 Jan.
No abstract available

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Figures

Fig. 1
Fig. 1
Trends in fertilizer N use and crop N removal by region, 1961–2017. Data source IFA Nutrient Use Efficiency database, IFASTAT, 2020. The dataset contains national scale estimates for N inputs to cropland from fertilizer, manure and biological N fixation, as well as N removal by harvested crops. Grasslands and forage crops are not included
See this image and copyright information in PMC

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