Care, use and economic value of farm manure
By: [by W.L. Powers, C.V. Ruzek].
Contributors: Ruzek, C. V. 1887-; Oregon State Agricultural College. Agricultural Experiment Station.
Series: Station circular / Agricultural Experiment Station, Oregon State Agricultural College -- 105.; Station circular (Oregon State Agricultural College. Agricultural Experiment Station) -- 105.
Publisher: Agricultural Experiment Station, Oregon State Agricultural College
Published: 1931
Place of publication: [Corvallis, Or.]
Language: eng
Number of pages: 15
Subjects: Farm manure -- Oregon.
Notes: Cover title.