Frost hardiness of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seedlings raised in three nurseries
By: by Ursula K. Schuch.
Published: 1987
Language: eng
Number of pages: 74
Subjects: Douglas fir -- Frost resistance.; Douglas fir -- Seedlings -- Evaluation.
Notes: Typescript (photocopy).

Thesis (M.S.)--Oregon State University, 1987.

Bibliography: leaves 67-71.