1. 140 Environmental Hortic, Univ. of Calif. Davis; Davis CA 95616
2. USDA, ARS, PWA; 800 Buchanan St. Albany CA 94710
3. USDA; ARS, Water Management Res. Lab.; 2021 S. Peach Ave. Fresno CA 93727
4. USDA, ARS; 2413 E. Highway 83 Westlaco TX 78596-8344