Interacting effects of stand density, site factors, and nutrients on productivity and productive efficiency of Douglas-fir plantations in the Oregon Cascades
By: by Alejandro Velazquez-Martinez.
Published: 1990
Language: eng
Number of pages: 142
Subjects: Douglas fir -- Oregon -- Growth.; Forest thinning -- Oregon.
Notes: Typescript (photocopy)

Thesis (Ph. D.)--Oregon State University, 1991.

Includes bibliographical references (leaves 131-142)