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    Author(s): Martin E. Dale; David L. Sonderman
    Date: 1984
    Source: Res. Pap. NE-539. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiement Station. 12p.
    Publication Series: Research Paper (RP)
    Station: Northeastern Research Station
    PDF: View PDF  (1.76 MB)

    Description

    Relative change in several types of stem defects were studied over a 16-year period to determine the effect of thinning intensity on the development of tree quality. We studied quality changes on sample white oak crop trees that were selected from five density levels created in a 1961 thinning. Branch-related and other stem defects on the butt 16-foot section were studied from stereo pairs of photographs taken in 1961 and 1977. The number of live and dead branches greater than 0.3 inch in basal diameter increased on all density plots. Except for extremely heavy thinnings, those below C-level stocking, tree quality was not markedly affected by residual stand density.

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    Citation

    Dale, Martin E.; Sonderman, David L. 1984. Effect of thinning on growth and potential quality of young white oak crop trees. Res. Pap. NE-539. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiement Station. 12p.

    Keywords

    Silviculture, thinning, bole quality

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