Potential damage to forest tree seed during processing, protective treatment, and dissemination
By: by James W. Edgren.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note -- PNW-89.; USDA Forest Service research note PNW -- 89.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Forest Service
Published: 1968
Place of publication: [Portland, Or.]
Language: eng
Subjects: Douglas fir -- Seeds -- Processing.; Douglas fir -- Seeds -- Handling.; Douglas fir -- Seeds -- Postharvest technology.; Douglas fir -- Seeds -- Viability.
Notes: Caption title.

"September 1968."

Includes bibliographical references.