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- Author:
- United States Office of Experiment Stations.
- Subject:
- Agriculture United States , fertilizers , nitrogen , marshes , wetland soils , harrows , agricultural machinery and equipment , harvesting equipment , root vegetables , storage technology , bladder calculi , urinary tract diseases , breeding stock , animal health , swine housing , milk production , economic analysis , hatching , brood rearing , animal husbandry
- Physical description:
- 24 p. : ill. ; 23 cm.
- Additional Author(s):
- United States Office of Experiment Stations.
- Collection:
- Organic Roots Collection
- Series:
- Farmers' bulletin