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)University of Nebraska-Lincoln, Oceanside, CA, US, (3)Emerson Hall, Rm. 235, Cornell University, Ithaca, NY, US, (4)Soil and Crop Sciences, ICL IL ltd, Beer Sheva, NY, ISRAEL, (5)Soil and Crop Sciences, Cornell University, Ithaca, NY, (6)Biogeochemistry, Cornell University, Ithaca, NY