Soil fertility in relation to productive land value
By: by W.L. Powers.
Contributors: Oregon State Agricultural College. Agricultural Experiment Station.
Series: Station circular / Agricultural Experiment Station, Oregon State Agricultural College -- 113.; Station circular (Oregon State Agricultural College. Agricultural Experiment Station) -- 113.
Publisher: Agricultural Experiment Station, Oregon State Agricultural College
Published: 1935
Place of publication: [Corvallis, Or.]
Language: eng
Subjects: Soil fertility -- Oregon.
Notes: Cover title.