1. Institute for Land and Water Management, Katholieke Universiteit Leuven, Belgium, Vital Decosterstraat 102, 3000-Leuven, Belgium.
2. George E. Brown Jr. Salinity Laboratory, USDA-ARS, 450 West Big Springs Dr., Riverside, CA 92507.
3. George E. Brown Jr. Salinity Laboratory, USDA-ARS, 450 West Big Springs Dr., Riverside, CA 92507.
4. U.S. Water Conservation Laboratory, USDA-ARS, 4331 East Broadway Rd., Phoenix, AZ 85040.