1. Dept. of Agricultural and Biological Engineering, Univ. of Florida (UF), Gainesville, FL (corresponding author).
2. Southwest Florida Research and Education Center, UF, Immokalee, FL.
3. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, India.
4. Dept. of Agricultural and Biological Engineering, Univ. of Florida (UF), Gainesville, FL.