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- Author:
- Weir, Wilbert Walter , 1882-
- Subject:
- Crop rotation , Soil productivity , crop rotation , fertilizers , yields , crop yield , crop production , soil productivity , long term experiments , research methods , land management , soil management
- Physical description:
- 68 p. : ill. ; 23 cm.
- Additional Author(s):
- Weir, Wilbert Walter , 1882-
- Collection:
- Organic Roots Collection
- Author:
- Weir, Wilbert Walter, 1882 , USDA
- Subject:
- crop rotation , fertilizers , yields , crop yield , crop production , soil productivity , long term experiments , research methods , land management , soil management , Crop rotation. , Soil productivity.
- Physical description:
- 68 p.
- Collection:
- Organic Roots Collection
- Series:
- Bulletin of the U.S. Department of Agriculture.
- Part Of:
- Bulletin of the U.S. Department of Agriculture.
- Author:
- Pieters, A. J.
- Subject:
- Legumes Varieties , Crops and soils , Soil conservation , Soil management , legumes , soil conservation , erosion control , alfalfa , cover crops , soil productivity , soil erosion , Lespedeza cuneata , Pueraria montana var. lobata
- Physical description:
- 8 p. : ill. ; 23 cm.
- Additional Author(s):
- Pieters, A. J.
- Collection:
- Organic Roots Collection
- Author:
- Weir, Wilbert Walter , 1882-
- Subject:
- Soil productivity , Crop rotation , crop yield , crop rotation , cropping systems , soil productivity , soil fertility , soil quality , soil management , tillage , intercropping , legumes , cropping sequence , plant cultural practices , crop management , cover crops , grain crops , green manures , soil conservation , fertilizers , soil
- Physical description:
- 22 p. : ill. ; 23 cm.
- Additional Author(s):
- Weir, Wilbert Walter , 1882-
- Collection:
- Organic Roots Collection
- Series:
- Farmers' bulletin
