Effect of month of grafting on douglas-fir graft compatibility
By: by Donald L. Copes.
Series: USDA Forest Service research note PNW -- 208.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1973
Place of publication: Portland, Ore
Language: eng
Subjects: Douglas fir -- Grafting.
Notes: Caption title.

"November 1973."

Includes bibliographical references (p. 7).