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Some economic considerations in thinning Douglas-fir.Author(s): Norman P. Worthington
Source: PNW Old Series Research Notes No. 137, p. 1-8
Publication Series: Research Note (RN)
Station: Pacific Northwest Research Station
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DescriptionMany thousands of acres of young Douglas-fir stands in western Washington are ready for commercial thinning. This is true even after liberal allowance is made for premerchantable and under stocked stands, unfavorable topography, and lack of markets. However, with but few exceptions, regular systematic thinning is not being practiced even in favorably located, operable stands.
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CitationWorthington, Norman P. 1957. Some economic considerations in thinning Douglas-fir. PNW Old Series Research Notes No. 137, p. 1-8
- Guidelines for precommercial thinning of Douglas-fir.
- Tree growth in thinned and unthinned White fir stands 20 years after a Douglas-fir tussock moth outbreak.
- Thirty-five-year growth of thinned and unthinned ponderosa pine in the Methow Valley of northern Washington.
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