Use of fertilizers in Oregon
By: Department of Soils, Oregon Agricultural College Experiment Station.
Contributors: Oregon Agricultural College. Extension Service.; Oregon Agricultural College. Experiment Station.; Oregon Agricultural College. Dept. of Soils.
Series: Cir -- 131.; Circular (Oregon Agricultural College. Extension Service) -- 131.
Publisher: Oregon Agricultural College, Extension Service
Place of publication: Corvallis, OR
Language: eng
Subjects: Fertilizers -- Oregon.
Notes: Caption title.

"May, 19[??]."