1. Postdoctoral Research Associate, Dept. of Biological Systems Engineering, Washington State Univ.-Prosser, 24106 N Bunn Rd., Prosser, WA 99350 (corresponding author).
2. Associate Professor/Extension Irrigation Specialist, Dept. of Biological Systems Engineering, Washington State Univ.-Prosser, 24106 N Bunn Rd., Prosser, WA 99350.
3. Vice President, Research and Development, Decagon Devices Inc., 2365 NE Hopkins Ct, Pullman, WA 99163.