- Professor Emeritus
- Emeritus Henry A. Wallace Endowed Chair in Sustainable Agriculture
My research group focuses on diversified cropping systems, weed ecology and management, and the use of native perennial species for soil and water conservation and biofuel production. Included within the scope of our work are experiments involving crop rotations, cover crops, green manures, intercrops, reconstructed prairies, conservation strips, animal manures, composts, and insects and rodents that consume weed seeds.
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