Laura Christianson1, Allan Hertzberger2, Ray B. Bryant3, Peter J. A. Kleinman4, Arthur L. Allen5, Amy Collick4, Anthony R. Buda6, Eric B. May7, Emily MacLauren Bock8 and Zachary Easton9, (1)Department of Crop Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, (2)University of Illinois-Urbana-Champaign, Tolono, IL, (3)Curtin Road, USDA-ARS, Spring Mills, PA, (4)Pasture Systems and Watershed Management Research Unit, USDA-ARS, University Park, PA, (5)Crop and Aquaculture Bldg, University of Maryland Eastern Shore, Princess Anne, MD, (6)Pasture Systems & Watershed Mgmt Research Unit, USDA-ARS, University Park, PA, (7)University of Maryland Eastern Shore, Princess Anne, MD, (8)Biological Systems Engineering, Virginia Tech, Painter, VA, (9)Seitz Hall Rm 205 155 Ag Quad Ln, Virginia Tech, Blacksburg, VA