influence of seedbed microenvironments upon the establishment of Douglas fir (Pseudotsuga menziesii (Mirb.) Franco)
By: by Richard Hermann.
Published: 1960
Language: eng
Number of pages: 202
Subjects: Douglas fir.; Seedlings.; Reforestation.
Notes: Typescript.

Thesis (Ph. D.)--Oregon State College, 1960.

Bibliography: leaves 161-173.