- Agronomic: corn, soybeans, wheat
- Crop Production: crop rotation
- Education and Training: demonstration, on-farm/ranch research, workshop
- Farm Business Management: agricultural finance
- Soil Management: earthworms, organic matter
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.