Keith W. Goyne, Soil, Environmental, and Atmospheric Sciences, University of Missouri, Columbia, MO, Chung-Ho Lin, The Center for Agroforestry, University of Missouri, Columbia, MO, Robert Lerch, USDA-ARS Cropping Systems & Water Quality Research Unit, Columbia, MO, Bei Chu, Soil, Environmental and Atmospheric Sciences, University of Missouri, Columbia, MO, Stephen H. Anderson, Univ. of Missouri, Columbia, MO, Robert J. Kremer, USDA-ARS, Columbia, MO, Irene Unger, Westminster College, Department of Biology and Environmental Science, Fulton, MO and Ranjith Udawatta, Soil Environmental and Atmospheric Sciences, The Center for Agroforestry University of Missouri, Columbia, MO