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    Author(s): Edwin L. Mowat
    Date: 1953
    Source: PNW Old Series Research Paper No. 5: 1-25
    Publication Series: Research Paper (RP)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (2.6 MB)

    Description

    Proper thinning of dense young stands of ponderosa pine increases the growth rate of remaining trees and thereby shortens the time required to grow timber of any desired size. The extent of improvement in growth is shown by thinning studies in the Pacific Northwest covering periods of 10 to 24 years. These studies, together with general experience and research in other pine regions, are summarized in this paper. The discussion is largely confined to stands of premerchantable size, which now means stands not yet producing saw logs at least 8 inches in diameter.

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    Citation

    Mowat, Edwin L. 1953. Thinning ponderosa pine in the Pacific Northwest: a summary of present information. PNW Old Series Research Paper No. 5: 1-25

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