Effect of fertilizers on composition of soybean hay and seed and of crop management on carbon, nitrogen, and reaction of Norfolk sand
- Source:
- Technical bulletin (United States. Dept. of Agriculture) ; no. 586 1937
- Year:
- 1937
- Subject:
- Soybean -- Fertilizers, Fertilizers -- Research, and Soil management
- Format:
- 35 p. : ill. ; 23 cm.
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection