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    Author(s): Donald L. Reukema
    Date: 1961
    Source: PNW Old Series Research Note No. 210, p. 1-5
    Publication Series: Scientific Journal (JRNL)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (220 KB)

    Description

    In planning thinnings and final harvest cuttings for stands of young-growth Douglas-fir, foresters need reliable information on the capacity of young-growth stands to bear seed, on the periodicity of seed crops, and on the effects of thinning and other forest practices on seed production. One of the first studies designed to help provide this information was begun in 1950.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Reukema, Donald L. 1961. Seed production of Douglas-fir increased by thinning. PNW Old Series Research Note No. 210, p. 1-5

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