Effect of timing of parathion and malathion sprays on orange production
By: A. W. Cressman
Contributors: United States. Entomology Research Division
Series: ARS -- 33-53; ARS (Series) (United States. Agricultural Research Service) -- 33-53.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1959
Place of publication: [Beltsville, Md.?]
Language: eng
Subjects: Aonidiella aurantii; Control; Insecticides; Research; Oranges; Diseases and pests
Notes: Caption title.

"May 1959."

Includes bibliographical references (p. 3).