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Filtering by: Subject Douglas fir -- Thinning -- Environmental aspects -- Oregon Creator Berg, Alan B.

Commercial thinning in Douglas-fir with a horse

Creator:

Berg, Alan B. and Oregon State University. Forest Research Laboratory

Resource Type:

Technical Report

Full Text:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 1 SUMMARY A commercial thinning in a dense 40-year old Douglas-fir stand in western Oregon in
Natural fertilization of a heavily thinned Douglas-fir stand by understory red alder

Creator:

Berg, Alan B., Doerksen, Allan, and Oregon State University. Forest Research Laboratory

Resource Type:

Technical Report

Full Text:

conifers. In 1955, a 62-year-old Douglas-fir I at. Wi13r lumbia County, Oregon was thinned heavily as part