1. Dep. of Crop and Environmental Sciences; Virginia Tech; 185 Ag Quad Lane, 335 Smyth Hall Blacksburg VA 24061
2. Texas A&M AgriLife Research; 3507 Hwy 59 E Beeville TX 78102
3. Noble Research Institute, LLC; 2510 Sam Noble Parkway Ardmore OK 73401
4. Dep. of Plant Sciences; Univ. of Wyoming; 1000 E. University Ave. Laramie WY 82071
5. USDA-ARS Northern Great Plains Research Laboratory; 1701 10th Ave. SW Mandan ND 58554
6. Range Cattle Research and Education Center; Univ. of Florida, Institute of Food and Agricultural Sciences; 3401 Experiment Station Ona FL 33865