Interstock trials with grafted coastal Douglas-fir
By: by Donald L. Copes.
Series: USDA Forest Service research note PNW -- 151.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1971
Place of publication: Portland, Ore
Language: eng
Subjects: Douglas fir -- Grafting.; Douglas fir -- Propagation.
Notes: Caption title.

"May 1971."

Includes bibliographical references (p. 6).