1. Texas A&M AgriLife Research Center at Beaumont, Texas A&M University System, Beaumont, TX, USA
2. The School of Management, Gansu Agricultural University, Lanzhou, PR China
3. Dale Bumpers National Rice Research Center, USDA Agricultural Research Service, Stuttgart, AR, USA
4. Department of Statistics, University of Connecticut, Storrs, CT, USA
5. USDA ARS National Soil Dynamics Laboratory, USDA Agricultural Research Service, Auburn, AL, USA