1. Texas A&M AgriLife Research Stephenville TX 76401
2. Fort Valley State Univ. Fort Valley GA 31030
3. Auburn Univ. Auburn AL 36849
4. North Carolina State Univ. Raleigh NC 27695
5. Louisiana State Univ. Baton Rouge LA 70803
6. USDA–ARS Dale Bumpers Small Farm Research Center 6883 South State Highway 23 Booneville AR 72927
7. USDA–ARS Grazinglands Research Laboratory El Reno OK 73036