Humus for Oregon soils
By: R.E. Stephenson.
Contributors: Oregon State College. Agricultural Experiment Station.
Series: Station circular / Oregon State System of Higher Education, Agricultural Experiment Station, Oregon State Agricultural College -- 143.; Station circular (Oregon State College. Agricultural Experiment Station) -- 143.
Publisher: Oregon State System of Higher Education, Agricultural Experiment Station, Oregon State Agricultural College
Published: 1941
Place of publication: [Corvallis, Or.]
Language: eng
Number of pages: 23
Subjects: Humus -- Oregon.; Soils -- Oregon.
Notes: Cover title.