Morgan P. Davis1, Thomas M. Isenhart2, Dan B. Jaynes3, Timothy Parkin3, Tyler A. Groh4, Michelle L Soupir5 and Kirsten Hofmockel6, (1)Agronomy, University of Missouri-Columbia, Columbia, MO, US, (2)Natural Resources Ecology and Management, Iowa State University, Ames, IA, (3)Retired, USDA-ARS National Laboratory for Agriculture and the Environment, Ames, IA, (4)Ecosystem Science and Management, Pennsylvania State University, University Park, PA, US, (5)Agricultural and Biological Engineering, Iowa State University, Ames, IA, (6)Environmental Molecular Sciences Laboratory, Department of Energy, Richland, WA