A study of the value of crop rotation in relation to soil productivity
- Source:
- Department bulletin (United States. Dept. of Agriculture) ; no. 1377 1926
- Year:
- 1926
- Subject:
- Crop rotation, Soil productivity, crop rotation, fertilizers, yields, crop yield, crop production, soil productivity, long term experiments, research methods, land management, and soil management
- Format:
- 68 p. : ill. ; 23 cm.
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection