Author Affiliations +
Pamela B. Bartlett,1 Louis S. Hesler,2,* B. Wade French,2 Michael A. Catangui,3 Janet H. Gritzner4
1Department of Plant Science, South Dakota State University, Brookings, SD 57007, USA
2North Central Agricultural Research Laboratory, Agricultural Research Service, USDA, 2923 Medary Ave., Brookings, SD 57006, USA
347153 S. Clubhouse Rd., Sioux Falls, SD 57108, USA
4Department of Geography, South Dakota State University, Brookings, SD 57007, USA
*Corresponding author, e-mail: louis.hesler@ars.usda.gov.