Crops in peace and war.
- Washington, U.S. Govt. Print. Off. [1951]
- 942 p. illus., ports. 24 cm.
- Its Yearbook of agriculture, 1950-1951 .
- Yearbook of agriculture (Washington, D.C. : 1926) ; 1950-1951. .
agr55000009
Waste products. Chemurgy. Agriculture--Research. Research, Industrial--United States.