The pea aphid on peas and methods for its control
- Source:
- Farmers' bulletin / United States Department of Agriculture ; no. 1945 1943
- Year:
- 1943
- Subject:
- Pea aphid -- Control, Peas -- Diseases and pests, insect pests, and insect control
- Format:
- 14 p. : ill. ; 23 cm.
- Language:
- English
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection