Winter sprays
Subtitle: sulphur-lime wash and crude oil emulsions
By: by A.L. Melander.
Series: Popular bulletin / Washington Agricultural Experiment Station -- no. 64.; Popular bulletin (Washington Agricultural Experiment Station) -- no. 64.
Publisher: Washington Agricultural Experiment Station
Published: 1914
Place of publication: Pullman, Wash
Language: eng
Subjects: Insecticides; Oil as pesticide