Effect of field stratification on Douglas Fir seed germination
By: Denis P. Lavender.
Contributors: Oregon Forest Lands Research Center.
Series: Research note -- no. 33.; Research note (Oregon Forest Lands Research Center) -- no. 33.
Publisher: State of Oregon, Forest Lands Research Center
Published: 1958
Place of publication: Corvallis, Or
Language: eng
Subjects: Douglas fir -- Growth -- Oregon.; Douglas fir -- Seedlings -- Oregon.; Germination.
Notes: Cover title.

"February 1958."