1. Dep. of Crop SciencesUniv. of Illinois at Urbana‐ChampaignUrbanaIL
2. Univ. of Maryland Eastern ShorePrincess AnneMD
3. Pasture Systems and Watershed Management Research UnitUSDA‐ARSUniversity ParkPA
4. Midshore Riverkeeper ConservancyEastonMD
5. Biological Systems Engineering, Virginia TechBlacksburgVA
6. Earth and Environmental Sciences, Rutgers Univ.NewarkNJ