1. Illinois Sustainable Technology Center, Prairie Research Institute, University of Illinois at Urbana−Champaign, 1 Hazelwood Drive, Champaign, Illinois 61820, United States
2. Illinois State Water Survey, Prairie Research Institute, University of Illinois at Urbana−Champaign, 2204 Griffith Drive, Champaign, Illinois 61820, United States
3. Salinity Laboratory, USDA-ARS, 450 West Big Springs Road, Riverside, California 92507, United States
4. Department of Animal Sciences, University of Illinois at Urbana−Champaign, 1207 West Gregory Diver, Urbana, Illinois 61801, United States