1. U.S. Salinity LaboratoryUSDA‐ARS450 W. Big Springs RoadRiversideCA92507
2. Dep. Plants, Soils and BiometeorologyUtah State UniversityLoganUT84322‐4820
3. Land Resources & Environmental Sciences Dep.Montana State UniversityBozemanMT59717‐3120
4. Dep. of Civil and Environmental EngineeringUniversity of Connecticut261 Glenbrook Road, Unit 2037StorrsCT06269
5. Institute of Soil, Water and Environmental SciencesThe Volcani Center (ARO)Bet Dagan50250Israel