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    Author(s): Walter H. Davidson; Grant Davis
    Date: 1972
    Source: Research Note NE-147. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 6p.
    Publication Series: Research Note (RN)
    Station: Northeastern Research Station
    PDF: View PDF  (454.1 KB)

    Description

    Various thinning techniques were applied to 5-year old hybrid poplar stands on bituminous strip-mine spoils. Basal and stump sprays of 2, 4, 5-T in diesel oil were effective for killing the trees. There was no evidence that chemical treatments affected adjacent trees. Where trees were cut and stumps were not chemically treated, all clones sprouted prolifically. Dominance in sprout clumps was asserted soon after thinning. Sprouting vigor was affected more by site quality than clonal parentage. Results indicate that hybrid poplar can be successfully regenerated under coppice management or can be easily removed for stand conversion.

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    Citation

    Davidson, Walter H.; Davis, Grant. 1972. Sprouting of thinned hybrid poplars on bituminous strip-mine spoils in Pennsylvania. Research Note NE-147. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 6p.

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