Peter O'Brien1, Thomas M. DeSutter2, Nathan E. Derby2, Francis X.M. Casey3, Samantha Ritter4, Abbey F. Wick5 and Eakalak Khan6, (1)USDA-ARS National Laboratory for Agriculture and the Environment, Ames, IA, US, (2)School of Natural Resource Sciences, North Dakota State University, Fargo, ND, US, (3)PO Box 6050, North Dakota State University, Fargo, ND, US, (4)Soil Science, North Dakota State University, Fargo, ND, (5)Department of Soil Science, North Dakota State University, Fargo, ND, (6)Civil and Environmental Engineering, North Dakota State University, Fargo, ND