Experiments with nitrogen fertilizers on cotton soils
- Source:
- Technical bulletin (United States. Dept. of Agriculture) ; no. 452 1934
- Year:
- 1934
- Subject:
- Cotton growing and Nitrogen fertilizers
- Format:
- 28 p. : ill., maps ; 23 cm.
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection