Haile K. Tadesse1, Daniel N. Moriasi2, Prasanna H. Gowda3, Gary W. Marek4, Jean L. Steiner5, David K. Brauer4, Mansour Talebizadeh6, Amanda M Nelson7 and Patrick Starks6, (1)USDA-ARS, Tifton, GA, US, (2)National Laboratory for Agriculture and The Environment, USDA-ARS, Ames, IA, US, (3)USDA-ARS Grazinglands Research Laboratory, El Reno, OK, (4)USDA-ARS Conservation and Production Research Laboratory, Bushland, TX, (5)7207 W Cheyenne Street, USDA-ARS Grazinglands Research Laboratory, El Reno, OK, (6)Grazinglands Research Laboratory, USDA-ARS, El Reno, OK, (7)Sustainable Water Research Management, USDA-ARS, Stoneville, MS, US