1. Department of Plant and Soil Sciences Mississippi State University PO Box 9555 Starkville Mississippi USA
2. Department of Soil & Crop Sciences, The Dallas Center Texas A&M University, Texas A&M AgriLife 17360 Coit Rd. Dallas Texas USA
3. Department of Plant and Soil Sciences Mississippi State University Starkville Mississippi USA
4. Department of Horticulture & Landscape Architecture Purdue University Horticulture Building, 625 Agricultural Mall Drive West Lafayette Indiana USA
5. Department of Horticulture Oregon State University 4017 Ag and Life Sciences Bldg. Corvallis Oregon USA
6. USDA‐ARS 3450 SW Campus Way Corvallis Oregon USA
7. Department of Plant Sciences University of Tennessee 2505 EJ Chapman Drive Knoxville Tennessee USA
8. Department of Environmental Science and Management, Department of Economics, Institute for Sustainable Solutions Portland State University 1825 SW Broadway Portland Oregon USA
9. School of Plant & Environmental Sciences Virginia Polytechnic Institute & State University 328 Smyth Hall, 185 Ag Quad Lane Blacksburg Virginia USA
10. University of California 883 Lakeport Boulevard Lakeport California USA
11. Department of Plant Biology Rutgers University 59 Dudley Road, Foran Hall Room 296A New Brunswick New Jersey USA
12. Department of Crop, Soil, & Environmental Sciences Auburn University 201 Funchess Hall Auburn Alabama USA
13. Department of Horticulture & Landscape Architecture Purdue University 625 Agriculture Mall Drive West Lafayette Indiana 47907 USA
14. Department of Plant Science The Pennsylvania State University 16 Tyson Building University Park Pennsylvania USA
15. Department of Soil and Crop Sciences Texas A&M University 338A Heep Center College Station Texas USA