Fertilizers for sweetpotatoes based on investigations in North Carolina
- Source:
- Technical bulletin (United States. Dept. of Agriculture) ; no. 335 1932
- Year:
- 1932
- Subject:
- Sweet potatoes -- North Carolina -- Fertilizers and Plants -- Nutrition
- Format:
- 47 p. : ill. ; 23 cm.
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection