1. Southwest Florida Research and Education Center; Univ. of Florida; 2685 SR 29 N Immokalee FL 34142
2. Citrus Research and Education Center; Univ. of Florida; 700 Experiment Station Road Lake Alfred FL 33850
3. Soil and Water Science Dep.; Univ. of Florida; 2181 McCarty Hall P.O. Box 110290 Gainesville FL32611