Wheat yield and protein content as predictors for nitrogen fertilization in northeast Oregon
By: F.V. Pumphrey.
Contributors: Oregon State University. Agricultural Experiment Station.
Series: Special report -- 259.; Special report (Oregon State University. Agricultural Experiment Station) -- 259.
Publisher: Agricultural Experiment Station, Oregon State University
Published: 1968
Place of publication: Corvallis, Or
Language: eng
Subjects: Wheat -- Fertilizers -- Oregon, Eastern.
Notes: Caption title.

"July 1968."

Includes bibliographical references (p. 5).

Also issued online.