Twenty-two years of soil fertility investigations in the Willamette Valley, Oregon.
Series: Station bulletin / Oregon Agricultural College Experiment Station -- 387.; Station bulletin (Oregon State College. Agricultural Experiment Station) -- 387.
Publisher: Oregon State System of Higher Education, Agricultural Experiment Station, Oregon State College
Published: 1941
Place of publication: Corvallis, Ore
Language: eng
Number of pages: 23
Subjects: Soil fertility -- Oregon -- Willamette River Valley.
Other titles: Twenty two years of soil fertility investigations in the Willamete Valley, Oregon.
Notes: Cover title.

Agricultural Experiment Station, Department of Soils, Soil Fertility Project, established 1918: W.L. Powers and C.V. Ruzek in charge. Data compiled with cooperation of W.P.A. Project O.P. 65-1-94-2169.