Eleonora M. Demaria, Southwest Watershed Research Center, Tucson, AZ, United States, David C Goodrich, Agricultural Research Service, Tucson, AZ, United States, David D Bosch, USDA, ARS, Tifton, GA, United States, Patrick j Starks, USDA-ARS, El Reno, OK, United States, John Sadler, USDA Agriculture Research Service, Columbia, MO, United States, Anthony R Buda, USDA ARS, University Park, PA, United States, Steve van Vactor, USDA-ARS Plains Area, Boise, ID, United States and Douglas R Smith, USDA Agricultural Research Service Beaver, Grassland, Soil and Water Research Laboratory, Temple, TX, United States