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    Author(s): G.R. Jr. Trimble; G.R. Jr. Trimble
    Date: 1973
    Source: Res. Pap. NE-253. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 10 p.
    Publication Series: Research Paper (RP)
    Station: Northeastern Research Station
    PDF: View PDF  (686.48 KB)

    Description

    Five years after crop-tree release of yellow-poplar and black cherry sterns in a 7-year-old stand of Appalachian hardwoods, measurements indicated that released trees were but slightly superior to control trees in height, diameter, and crown position. Sprout regrowth of cut tree stems and grapevines had largely nullified the effects of release. Indications are that for release to be effective, crop trees of these species on good sites should be 15 to 20 feet tall.

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    Citation

    Trimble, G.R. Jr. 1973. Response to crop-tree release by 7-year-old stems of yellow-poplar and black cherry. Res. Pap. NE-253. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 10 p.

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