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- GC14F-04: N2.0: A Nitrogen Efficient Cropping System that Mimics Natural Nitrogen Cycles
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NOLA CC
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Michael Castellano, Iowa State University (First Author)
Lara Brindisi, USDA-ARS
Elizabeth Ainsworth, University of Illinois Urbana-Champaign
Bryan Emmett, USDA-ARS, National Laboratory for Agriculture and the Environment
Mitchell Baum, Iowa State University (Presenting Author)
Sam Herr, Cornell University
Shawn Kaeppler, University of Wisconsin–Madison
Natalia Leon, University of Wisconsin–Madison
Daniel Northrup, Galvanize Climate Solutions
Candice Hirsch, University of Minnesota
Lydia Price, Michigan State University
Cinta Romay, Cornell University
Charlie Messina, University of Florida
Bruno Basso, Michigan State University
Rebecca McGee, Washington State University
Edward Buckler, United States Department of Agriculture-Agricultural Research Service
Jonathan Ojeda-Rivera, Cornell University
Ruben Rellán-Álvarez, North Carolina State University
Travis Rooney, Cornell University
Rebecca Roston, University of Nebraska
Aimee Schulz, University of Minnesota
Modern U.S. crop production systems are characterized by nitrogen inefficiencies that undermine farm profitability and environmental quality. This study presents an integrated system, Nitrogen 2.0 (N2.0) combining genetic and agronomic innovations to better align nitrogen uptake with availability. Model simulations across the U.S. Corn Belt demonstrate that N2.0 increases yields by 16.6% and lowers nitrate leaching and nitrous oxide emissions by 25.7% and 21.4%, respectively. By lowering production costs and mitigating nitrogen losses, N2.0 provides a scientifically grounded strategy to increase yields, reduce fertilizer inputs, and achieve environmental performance at scale.
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