Control of aphids injurious to orchard fruits, currant, gooseberry and grape
- Source:
- Farmers' bulletin (United States. Dept. of Agriculture) ; no. 1128 1920
- Year:
- 1920
- Subject:
- plant pests, orchards, Aphids -- Control, Fruit -- Diseases and pests, tree fruits, small fruits, insect pests, control methods, cultural control, natural enemies, biological control agents, spraying, insecticidal soaps, Quassia, biopesticides, botanical pesticides, and Aphidoidea
- Format:
- 48 p. : ill. ; 23 cm.
- Language:
- English
- Publisher:
- U.S. Dept. of Agriculture
- Collection:
- Organic Roots Collection