Pruning investigations
By: by V.R. Gardner, J.R. Magness and A.F. Yeager.
Contributors: Magness, J. R. 1894-; Yeager, A. F. 1892-
Series: Station bulletin / Oregon Agricultural College Experiment Station -- 139.; Station bulletin (Oregon Agricultural College.  Experiment Station) -- 139.
Publisher: Oregon Agricultural College Experiment Station
Published: 1916
Place of publication: Corvallis, Ore
Language: eng
Number of pages: 92
Subjects: Pruning.
Notes: Cover title.