About

Dr. Richard Roth is an Assistant Professor and Extension Soil fertility Specialist at Iowa State University.  He joined the Department of Agronomy and at Iowa State in September 2023. His primary responsibilities are nitrogen and sulfur management. Dr. Roth’s research and extension work focuses on engineering and optimizing nitrogen and sulfur management strategies to improve the efficiency and environmental sustainability of cropping systems in the Midwest. He is dedicated to enhancing the agronomic, economic, and environmental performance of these systems.