Search National Agricultural Library Digital Collections
Displaying
all 2 items
start over
- 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:
- Jacobs, P. Burke (Paul Burke), 1889 , Newton, Harry P. (Harry Paul), 1896 , USDA
- Subject:
- alcohols , ethanol , ethanol production , biofuels , bioenergy , biogas , renewable energy sources , biomass , fuels , processing technology , processing equipment , cost analysis , input costs , crop yield , yields , waste utilization , distillation , energy crops , alternative fuels , Chemurgy. , Motor fuels. , Agricultural chemistry.
- Physical description:
- 129 p.
- Collection:
- Organic Roots Collection
- Series:
- Miscellaneous publication
- Part Of:
- Miscellaneous publication
