1. Corresponding author. Email: choypc@gmprc.ksu.edu Phone: 785-776-2727. Fax: 785-776-2792.
2. USDA-ARS, Grain Marketing and Production Research Center, Manhattan, KS 66502. Former graduate student, Department of Biological and Agricultural Engineering, Kansas State University, Manhattan, KS 66506. Names are necessary to report factually on available data; however, the USDA neither guarantees nor warrants the standard of the product, and the use of the name by the USDA implies no approval of the product to the exclusion of others that may also be suitable.
3. Formerly USDA-ARS, Grain Marketing and Production Research Center, Manhattan, KS 66502.
4. Department of Grain Science, Kansas State University, Manhattan, KS 66506.
5. Department of Biological and Agricultural Engineering, Kansas State University, Manhattan, KS 66506.
6. Department of Statistics, Kansas State University, Manhattan, KS 66506.