Irrigation of alfalfa
By: by W.L. Powers and W.W. Johnston.
Contributors: Johnston, W. W. 1896-
Series: Station bulletin / Oregon Agricultural College Experiment Station -- 189.; Station bulletin (Oregon Agricultural College.  Experiment Station) -- 189.
Publisher: Oregon Agricultural College Experiment Station
Published: 1922
Place of publication: Corvallis, Ore
Language: eng
Number of pages: 36
Subjects: Alfalfa -- Oregon -- Irrigation.
Notes: Cover title.

References: p. 35-36.