effect of certain sprays upon the apparent photosynthetic activity of apple trees
By: by E.L. Overholser, D.F. Allmendinger and F.L. Overley.
Contributors: Allmendinger, David Frederick, 1909-; Overley, Fred Lloyd, 1884-
Series: Bulletin / State College of Washington. Agricultural Experiment Station -- no. 447.; Bulletin (State College of Washington. Agricultural Experiment Station) -- no. 447.
Publisher: State College of Washington, Agricultural Experiment Station
Published: 1944
Place of publication: Pullman, Wash
Language: eng
Number of pages: 28
Subjects: Apples -- Physiology; Plants -- Effect of insecticides on
Notes: Cover title.

Bibliography: p. 17.