1. ShoreRivers 114 South Washington St., Ste. 301 Easton MD 21601 USA
2. Minnesota Dep. of Agriculture St. Paul MN 55155 USA
3. Dep. of Agricultural and Biological Engineering Univ. of Illinois Urbana–Champaign IL 61801 USA
4. Dep. of Crop Sciences Univ. of Illinois Urbana–Champaign IL 61801 USA