Crops in peace and war.
- Washington : U.S. Goverment Printing Office, c1951.
- 942 pages : Illustrations ; 24 cm.
- Its Yearbook of agriculture ; 1950-1951 .
- Yearbook of agriculture (Washington, D.C. : 1926) ; 1950-1951. .
Agriculture--Research. Chemurgy. Research, Industrial--United States. Waste products.