Petroleum oil for use on apples and pears in British Columbia
By: [by K. Williams, H. F. Madsen, and J. C. Arrand]
Contributors: Madsen, H. F. 1921- joint author.; Arrand, J. C., joint author.; British Columbia. Dept. of Agriculture. Entomology Branch.
Publisher: British Columbia Dept. of Agriculture, Entomology Branch
Published: 1969
Place of publication: Victoria
Language: eng
Number of pages: 10
Subjects: Oil as pesticide.; Apples -- Diseases and pests.; Pear -- Diseases and pests.