1. Civil and Environmental Engineering Department South Dakota School of Mines and Technology 501 E. St. Joseph St. Rapid City SD 57701 USA
2. Animal Science Department University of California – Davis One Shields Avenue Davis CA 95616 USA
3. North Central Soil Conservation Research Laboratory USDA‐Agricultural Research Service (USDA‐ARS) 803 Iowa Avenue Morris MN 56267 USA
4. Systems Assessment Center, Energy Systems Division Argonne National Laboratory 9700 S Cass Ave. Lemont IL 60439 USA
5. Soil Management and Sugarbeet Research USDA‐ARS 2150 Centre Avenue, Suite 100 Fort Collins CO 80526 USA
6. Biology Department Augustana College 2001 S. Summit Ave. Sioux Falls SD 57197 USA
7. Department of Agronomy, Horticulture & Plant Science South Dakota State University Brookings SD 57007 USA
8. South Dakota Corn 4712 South Technopolis Dr. Sioux Falls SD 57106 USA