U.S. Department of Agriculture–Agricultural Research Service, U.S. Salinity Laboratory, Riverside, California, USA.
Address for correspondence: Dr. Sabine Goldberg, U.S. Department of Agriculture–Agricultural Research Service, U.S. Salinity Laboratory, 450 W. Big Springs Rd, Riverside, CA 92507, USA. E-mail: [email protected]
Financial Disclosures/Conflicts of Interest: None reported.
Received August 21, 2014.
Accepted for publication December 29, 2014.
doi: 10.1097/SS.0000000000000098