Rotation tillage experiments at the Lawton (Okla.) Field Station, 1917-1930
- Source:
- USDA
- Year:
- 0000
- Subject:
- Crop rotation and Research
- Format:
- 35 p. : ill. ; 23 cm.
- Language:
- English
- Publisher:
- U.S. Dept. of Agriculture
- Series:
- Technical bulletin (United States. Dept. of Agriculture) ; no. 330
- Collection:
- Organic Roots Collection
- Permanent URL:
- http://handle.nal.usda.gov/10113/CAT86200324