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    Author(s): Donald L. Reukema
    Date: 1959
    Source: PNW Old Series Research Notes No. 167, p. 1-7
    Publication Series: Research Note (RN)
    Station: Pacific Northwest Research Station
    PDF: Download Publication  (320 KB)


    The effect of spacing on stand development is a subject that has been widely discussed. To test spacings ranging from 4x4 feet to 12x12 feet, a Douglas-fir plantation was established in 1925 at the Wind River Experimental Forest near Carson, Wash. This paper reports some results of a remeasurement made in 1957 (table 1) and compares these results with those of previous measurements. A11 measurements have been taken on one 0.4-acre plot in the 12x12 spacing and on three 0. 25-acre plots in each of the other spacings. Height comparisons are based on 30 trees for each spacing.

    Publication Notes

    • Visit PNW's Publication Request Page to request a hard copy of this publication.
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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.


    Reukema, Donald L. 1959. Some recent developments in the Wind River Douglas-fir plantation spacing tests. PNW Old Series Research Notes No. 167, p. 1-7

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