- PhD, Plant and Soil Sciences – Weed Science, Mississippi State University
- MS, Plant and Soil Sciences – Weed Science, Mississippi State University
- BS, Plant and Soil Sciences, University of Arkansas at Monticello
Justin Calhoun’s faculty appointment includes the title of an Extension Specialist where he is involved in statewide leadership on best management practices for sustainable cropping systems, soil fertility, and precision soil management. His research interests include innovative techniques in pest management and crop production systems to increase sustainability and profitability of Missouri agriculture.