Effects of some transpiration retardants and shade on survival of Douglas-fir seedlings under drought conditions in the field
By: by Ernest Steve Woodard.
Published: 1966
Language: eng
Number of pages: 30
Subjects: Douglas fir -- Seedlings.; Seedlings.; Plant ecology.
Notes: Typescript.

Thesis (M.S.)--Oregon State University, 1966.

Bibliography: leaves 25-26.