NALDC

Relative insecticidal value of commercial grades of pyrethrum

Author:

McDonnell, C. C.

Source:

Technical bulletin (United States. Dept. of Agriculture) ; no. 198 1930

Year:

1930

Subject:

Pyrethrum (Plant)

Format:

10 p. ; 23 cm.

Publisher:

U.S. Dept. of Agriculture

Collection:

Organic Roots Collection