John Snider, Crop and Soil Sciences, University of Georgia-Tifton, Tifton, GA, John Gassett, Crop and Soil Sciences, University of Georgia, Griffin, GA, Daryl Chastain, Plant and Soil Sciences, Mississippi State University, Stoneville, MS, Darrin Dodds, Mississippi State University, Mississippi State, MS, Wesley M. Porter, Crop and Soil Sciences, University of Georgia, Tifton, GA, Bobby R. Golden, Plant and Soil Sciences, Delta Research and Extension Center, Stoneville, MS, Dusty Dunn, University of Georgia, Tifton, GA and William Slaton, Physics and Astronomy, University of Central Arkansas, Conway, AR