1. Extension Associate and Ph.D. Candidate, Dept. of Biological and Agricultural Engineering, North Carolina State Univ., Raleigh, NC 27695; presently, Research Scientist, Dept. of Food, Agricultural, and Biological Engineering, Ohio State Univ., 590 Woody Hayes Dr., Columbus, OH 43210 (corresponding author).
2. William Neal Reynolds Distinguished Professor and Extension Specialist, Dept. of Biological and Agricultural Engineering, North Carolina State Univ., Campus Box 7625, Raleigh, NC 27695.
3. Undergraduate Research Assistant, Dept. of Biological and Agricultural Engineering, North Carolina State Univ., Campus Box 7625, Raleigh, NC 27695; presently, Ph.D. Candidate, Dept. of Biological and Environmental Engineering, Cornell Univ., B62 Riley Robb Hall, Ithaca, NY 14850.