1. School of Plant and Environmental Sciences Virginia Polytechnic Institute and State University Blacksburg Virginia USA
2. Department of Agriculture Fort Hays State University Hays Kansas USA
3. Department of Crop, Soil, and Environmental Sciences University of Arkansas Fayetteville Arkansas USA
4. Fisher Delta Research, Extension, and Education Center University of Missouri Portageville Missouri USA
5. Soybean and Nitrogen Fixation Research Unit USDA‐ARS Raleigh North Carolina USA
6. Division of Plant Science and Technology University of Missouri Columbia Missouri USA