Botanical insecticides and insecticidal soaps
By: prepared by Tess Henn and Rick Weinzierl
Contributors: Weinzierl, Rick; University of Illinois at Urbana-Champaign. Cooperative Extension Service; Illinois. Natural History Survey Division
Series: Alternatives in insect management; Circular / University of Illinois at Urbana-Champaign, Cooperative Extension Service -- 1296.; Circular (University of Illinois at Urbana-Champaign. Cooperative Extension Service) -- 1296.
Publisher: University of Illinois at Urbana-Champaign, College of Agriculture, Cooperative Extension Service
Published: 1989
Place of publication: [Urbana, Ill.]
Language: eng
Number of pages: 18
Subjects: Insecticides
Notes: Caption title.

" ... in cooperation with the Illinois Natural History Survey."

"September 1989."

Includes bibliographical references (p.17-18).