Grasshopper control improved by new insecticides
By: by Claude Wakeland, and J.R. Parker
Contributors: Parker, J. R.; United States. Bureau of Entomology and Plant Quarantine
Publisher: Bureau of Entomology and Plant Quarantine, Agricultural Research Administration, U.S. Dept. of Agriculture
Published: 1949
Place of publication: [S.l.]
Language: eng
Subjects: Control; Pesticides; Grasshoppers; Spraying and dusting in agriculture
Notes: At head of title: "EC-7."

"February 1949."