Fertility of soils as affected by manures
- Source:
- Bulletin (United States. Bureau of Soils) ; no. 48 1908
- Year:
- 1908
- Subject:
- Soil fertility -- East (U.S.), Fertilizers, Manures, soil fertility, fertilizers, animal manures, and United States
- Language:
- English
- Publisher:
- G.P.O.
- Collection:
- Organic Roots Collection