- Agronomic: corn, oats, rye, soybeans, wheat
- Crop Production: cover crops, intercropping, no-till
- Education and Training: demonstration
- Pest Management: competition, mulches - killed, mulches - living
Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture or SARE.