A progeny test of Douglas-fir to demonstrate the importance of selection in forest practice
By: by A. L. Orr-Ewing.
Publisher: Forest Service, Dept. of Lands, Forests and Water Resources
Published: 1967
Place of publication: Victoria
Language: eng
Number of pages: 23
Subjects: Douglas fir.; Plants -- Variation.; Reforestation.
Notes: Bibliography: p. 23.