1. Dep. of Soil, Environmental and Atmospheric Sciences, 302 Anheuser-Busch Natural Resources Building; Univ. of Missouri; Columbia MO 65211
2. Dep. of Forestry, Center for Agroforestry, 203 Anheuser-Busch Natural Resources Building; Univ. of Missouri; Columbia MO 65211
3. USDA-ARS, Cropping Systems and Water Quality Research Unit; 269 Agricultural Engineering Building Columbia MO 65211