Relative insecticidal value of commercial grades of pyrethrum
- Source:
- USDA
- Year:
- 0000
- Subject:
- Pyrethrum (Plant)
- Format:
- 10 p. ; 23 cm.
- Language:
- English
- Publisher:
- U.S. Dept. of Agriculture
- Series:
- Technical bulletin (United States. Dept. of Agriculture) ; no. 198
- Collection:
- Organic Roots Collection
- Permanent URL:
- http://handle.nal.usda.gov/10113/CAT86200192