preparation of spray materials
By: by R.H. Robinson.
Series: Station bulletin / Oregon Agricultural College Experiment Station -- 201.; Station bulletin (Oregon Agricultural College.  Experiment Station) -- 201.
Publisher: Oregon Agricultural College Experiment Station
Published: 1924
Place of publication: Corvallis, Ore
Language: eng
Number of pages: 15
Subjects: Spraying and dusting in agriculture; Pesticides
Notes: Cover title.