Institution: | (1) Department of Plant Sciences, University of Tennessee, 2431 Center Dr., Knoxville, TN 37996-4561, USA;(2) Soil and Water Science Department, University of Florida, P.O. Box 110510, Gainesville, FL 32611, USA;(3) Present address: Department of Crop and Soil Sciences, Pennsylvania State University, 116 ASI, University Park, PA 16802-3504, USA |