Systemic chemicals for crop-insect control
Series: ARS -- 22-61; ARS (Series) (United States. Agricultural Research Service) -- 22-61.
Publisher: Agricultural Research Service, U.S. Dept. of Agriculture
Published: 1960
Place of publication: Washington, D.C.]
Language: eng
Subjects: Systemic insecticides; Systemic fungicides; Systemic agricultural chemicals
Other titles: ARS special report
Notes: Cover title.

"September 1960."