Restoring productivity to Phellinus infested Douglas-Fir sites through intensive alder silviculture
By: by Charles Edward Hawkins.
Published: 1977
Language: eng
Number of pages: 58
Subjects: Douglas fir -- Diseases and pests.; Phellinus weirii -- Biological control.; Red alder.
Notes: Typescript (photocopy).

"A paper submitted to Oregon State University in partial fulfillment of the requirements for the degree of Master of Forestry, 1977."

Bibliography: leaves 49-56.