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Precommercial crop-tree release increases diameter growth of Appalachian hardwood saplingsAuthor(s): H. Clay Smith; Neil I. Lamson
Source: Res. Pap. NE-534. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiement Station. 7p.
Publication Series: Research Paper (RP)
Station: Northeastern Research Station
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DescriptionCodominant seedling-origin crop trees 25 to 39 feet tall in even-aged, precommercial-size hardwood stands were released in West Virginia. Trees were located on two sites: good oak site index 75 and fair oak site 63. Species studied were black cherry, sweet birch, and yellow-poplar. Three-year results indicated that the trees generally responded to release; the 3-year dbh growth of released trees was 0.2 to 0.4 inch greater than that of unreleased trees. Height growth did not increase.
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CitationSmith, H. Clay; Lamson, Neil I. 1983. Precommercial crop-tree release increases diameter growth of Appalachian hardwood saplings. Res. Pap. NE-534. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiement Station. 7p.
KeywordsRelease, crop trees, Appalachian hardwoods, dbh response
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