Use of the exponential yield curve in fertilizer experiments
- Source:
- USDA
- Year:
- 0000
- Subject:
- Fertilizers and Mathematical models
- Format:
- 67 p. : ill. ; 23 cm.
- Language:
- English
- Publisher:
- U.S. Dept. of Agriculture
- Series:
- Technical bulletin (United States. Dept. of Agriculture) ; no. 348
- Collection:
- Organic Roots Collection
- Permanent URL:
- http://handle.nal.usda.gov/10113/CAT86200342