Meeting Agronomic and Environmental Goals: Nitrogen Surplus As a Performance Indicator for Sustainable Food Supply.
Eileen L McLellan1, Kenneth G Cassman2, Harold van Es3, Shai Sela4, Peter Woodbury5, Christina Tonitto6 and Rebecca Marjerison5, (1)Environmental Defense Fund, Washington, DC, US, (2)Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Oceanside, CA, US, (3)Soil and Crop Sciences, Cornell University, Ithaca, NY, US, (4)Soil and Crop Sciences, ICL IL ltd, Ramat Gan, --, Israel, (5)Soil and Crop Sciences, Cornell University, Ithaca, NY, (6)Biogeochemistry, Cornell University, Ithaca, NY