1. Texas A&M AgriLife Research; Stephenville Texas USA
2. Fort Valley State University; Fort Valley Georgia USA
3. Auburn University; Auburn Alabama USA
4. North Carolina State University; Raleigh North Carolina USA
5. Louisiana State University; Baton Rouge Louisiana USA
6. Dale Bumpers Small Farm Research Center; United States Department of Agriculture-Agricultural Research Service; Booneville Arkansas USA
7. Grazinglands Research Laboratory; United States Department of Agriculture-Agricultural Research Service; El Reno Oklahoma USA