Natural fertilization of a heavily thinned Douglas-fir stand by understory red alder
By: Alan Berg, Allan Doerksen.
Contributors: Doerksen, Allan.; Oregon State University. Forest Research Laboratory.
Series: Research note / School of Forestry, Forest Research Laboratory, Oregon State University -- no. 56.; Research note (Oregon State University. Forest Research Laboratory) -- 56.
Publisher: School of Forestry, Forest Research Laboratory, Oregon State University
Published: 1975
Place of publication: Corvallis, Or
Language: eng
Subjects: Forest soils -- Fertilization -- Oregon.; Red alder -- Oregon.; Douglas fir -- Thinning -- Oregon.
Notes: Caption title.

Includes bibliographical references (p. 3).