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    Author(s): Donald L. Reukema
    Date: 1961
    Source: PNW Old Series Research Note No. 208, p. 1-4
    Publication Series: Scientific Journal (JRNL)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (190 KB)

    Description

    To evaluate effects of different degrees of release on individual Douglas-fir trees, a study was started in 1952 in a 41-year-old, site IV stand at the Wind River Experimental Forest. A remeasurement at the end of four growing seasons showed that dominants respond more quickly and positively to the removal of competing trees than codominants or intermediates. A second remeasurement at the end of seven growing seasons substantiates this initial trend and adds to our understanding of the reaction of Douglas-fir trees to the removal of competitors.

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    Citation

    Reukema, Donald L. 1961. Response of individual Douglas-fir trees to release. PNW Old Series Research Note No. 208, p. 1-4

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