Commercial fertilizers
By: [by R.H. Robinson, C.F. Whitaker, and D.E. Bulls].
Contributors: Whitaker, Carl Fales, 1900-; Bulls, D. E.; Oregon State Agricultural College. Agricultural Experiment Station.
Series: Station circular / Agricultural Experiment Station, Oregon State Agricultural College -- 87.; Station circular (Oregon State Agricultural College. Agricultural Experiment Station) -- 87.
Publisher: Agricultural Experiment Station, Oregon State Agricultural College
Published: 1929
Place of publication: [Corvallis, Or.]
Language: eng
Number of pages: 24
Subjects: Fertilizers -- Oregon.
Notes: Cover title.

"1929 edition"--Cover.