Biology and control of the corn leaf aphid with special reference to the southwestern states
- Source:
- Technical bulletin (United States. Dept. of Agriculture) ; no. 306 1932
- Year:
- 1932
- Subject:
- Corn -- Diseases and pests -- Southwestern States
- Format:
- 22 p. : ill., maps ; 24 cm.
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection