Tracking historical increases in nitrogen-driven crop production possibilities

Nathan Mueller, University of California, Irvine, Irvine, CA, United States, Luis Lassaletta, Netherlands Environmental Assessment Agency, The Hague, Netherlands, Gilles Billen, Sorbonne Université, UPMC, UMR 7619 METIS, Paris, France, Josette Garnier, Sorbonne Université, CNRS, EPHE, UMR 7619 METIS, Paris, France and James S Gerber, University of Minnesota Twin Cities, Minneapolis, MN, United States