1. Department of BotanyKohima Science College, Jotsoma Kohima Nagaland 797002 India
2. Department of SoilWaterand ClimateUniversity of Minnesota 439 Borlaug Hall, 1991 Upper Buford Circle St. Paul MN 55108 USA
3. USDA‐ARS Soil and Water Management Research Unit 439 Borlaug Hall, 1991 Upper Buford Circle St. Paul MN 55108 USA
4. Department of Agronomy and Plant GeneticsUniversity of Minnesota 411 Borlaug Hall, 1991 Upper Buford Circle St. Paul MN 55108 USA