1. UMR INRA/INAPG Environment and Arable Crops, Institut National de la Recherche Agronomique/Institut National Agronomique Paris‐GrignonB.P. 0178850Thiverval‐GrignonFrance
2. Dep. of Environmental SciencesUniv. of CaliforniaRiversideCA92521
3. USDA‐ARSGeorge E. Brown, Jr. Salinity Lab.450 West Big Springs RoadRiversideCA92507
4. UMR INRA/INAPG Agronomy, Institut National de la Recherche Agronomique/Institut National Agronomique Paris‐GrignonB.P. 0178850Thiverval‐GrignonFrance