Oil sprays
Subtitle: how to prepare
By: by A.L. Lovett.
Contributors: Oregon Agricultural College. Extension Service.
Series: Cir -- 134.; Circular (Oregon Agricultural College. Extension Service) -- 134.
Publisher: Oregon Agricultural College, Extension Service
Published: 1922
Place of publication: Corvallis, OR
Language: eng
Subjects: Oil as pesticide.
Notes: Caption title.

"May, 1922."