1. LASAS, Univ. of Georgia; Georgia Station; Griffin GA 30223-1797
2. Agronomy Dep.; Ohio State Univ.; 2021 Coffey Rd. Columbus OH 43210
3. Ohio Agriculture and Research Development Center; 1680 Madison Ave. Wooster OH 44690
4. Rodale Institute Research Center; 611 Siegfriedale Rd. Kutztown PA 19530