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    Author(s): Norman P. Worthington
    Date: 1961
    Source: PNW Old Series Research Note No. 202, p. 1-7
    Publication Series: Research Note (RN)
    Station: Pacific Northwest Research Station
    PDF: Download Publication  (260 KB)


    Thinning trials on three cooperative experimental forests in western Washington have provided an excellent opportunity to evaluate tree damage resulting from typical thinning operations in young-growth timber. The type and degree of damage can, of course, be expected to strongly affect condition and vigor of the residual stand and ultimate success of a thinning regime.

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    Worthington, Norman P. 1961. Tree damage resulting from thinning in young-growth Douglas-fir and western hemlock. PNW Old Series Research Note No. 202, p. 1-7

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