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Kelly Craven, Ph.D., an associate professor of microbial symbiology, discusses his work with agronomist James Rogers, Ph.D., to better understand the impacts of cover cropping and tillage practices on the microbial communities, and ultimately the health, of Oklahoma soils.

Wind and water carries tons of topsoil, the foundation of life, away from farmland each year. The soil, and its ability to produce food, slowly weakens. Farmers and ranchers are increasingly adopting an old-time armor for soil: cover crops. But they have many questions that still need answered.