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- Author:
- Cooper, Morton O. (Morton Oscar) , 1888- , Spillman, W. J. (William Jasper) , 1863-1931
- Subject:
- Agricultural productivity , yields , crop yield , grain yield , nutritive value , protein value , food composition , feed conversion , nutrient density , nutrient content , crop acreage , cropland harvested , cropland planted , crop production , livestock production , dietary nutrient sources , dietary recommendations , food production , plant density , subsistence farming
- Physical description:
- 11 p. ; 23 cm.
- Additional Author(s):
- Cooper, Morton O. (Morton Oscar) , 1888-Spillman, W. J. (William Jasper) , 1863-1931
- Collection:
- Organic Roots Collection
- Series:
- Farmers' bulletin
