Effect of red and far-red light upon growth of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seedlings
By: by Ronald John Dinus.
Published: 1968
Language: eng
Number of pages: 120
Subjects: Douglas fir.; Photoperiodism.; Infrared radiation.
Notes: Typescript.

Thesis (Ph. D.)--Oregon State University, 1968.

Bibliography: leaves 113-116.