The Hessian fly in Oregon
By: by L.P. Rockwood.
Contributors: Oregon Agricultural College. Experiment Station.
Series: Station circular / Oregon Agricultural College, Experiment Station -- 77.; Station circular (Oregon Agricultural College. Experiment Station) -- 77.
Publisher: Oregon Agricultural College, Experiment Station
Published: 1926
Place of publication: [Corvallis, Or.]
Language: eng
Subjects: Hessian flies -- Oregon.
Notes: Cover title.