Timothy M. Bowles, Environmental Science, Policy and Management, University of California Berkeley, Berkeley, CA, Stuart Stuart Grandy, Natural Resources and the Environment, University of New Hampshire, Durham, NH, Francisco J. Calderon, Columbia Basin Agricultural Research Center, USDA-ARS, Adams, OR, Michel A. Cavigelli, Bldg 001 Rm 140, USDA-ARS, Beltsville, MD, Steven W. Culman, School of Environment and Natural Resources, Ohio State University, Wooster, OH, Bill Deen, Plant Agriculture, University of Guelph, Guelph, ON, Canada, Craig F. Drury, Harrow Research and Development Centre, Agriculture & Agri-Food Canada, Harrow, ON, CANADA, Axel Garcia y Garcia, Agronomy and Plant Genetics, University of Minnesota, Lamberton, MN, Amelie CM Gaudin, One Shields Ave, University of California-Davis, Davis, CA, W Scott Harkcom, Plant Science, Penn State University, University Park, PA, Michael Lehman, North Central Agricultural Research Laboratory, USDA-ARS, Brookings, SD, Shannon L. Osborne, North Central Agricultural Research Lab, USDA-ARS, Brookings, SD, US, G. Philip Robertson, W.K. Kellogg Biological Station, Michigan State University, Hickory Corners, MI, Marty R. Schmer, Agroecosystem Research Management Unit, USDA ARS, Lincoln, NE and Jeffrey Strock, Soil, Water and Climate, University of Minnesota-Twin Cities, Lamberton, MN, US