Diseases and pests of cultivated plants.
By: By J.W. Eastham ... and Max H. Ruhmann ... with article on Sprays and spraying by B. Hoy ...
Contributors: Ruhmann, Max H.; Joy, Benjamin, 1888-
Series: British Columbia. Dept. of Agriculture. Bulletin -- no.68; Bulletin (British Columbia. Dept. of Agriculture) -- no. 68.
Publisher: Printed by W.H. Cullen, printer to the King's most excellent Majesty
Published: 1916
Place of publication: Victoria, B.C
Language: eng
Number of pages: 72
Subjects: Insect pests.; Spraying.; Plant diseases.