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    Author(s): James T. Krygier
    Date: 1958
    Source: USDA Forest Service PNW Old Series Research Paper No. 26: 1-20
    Publication Series: Research Paper (RP)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (1.5 MB)


    Extraordinary growth of introduced tree species—such as Monterey and other pines in Australia, New Zealand, and South Africa, and Sitka spruce, Douglas-fir, and grand fir in Great Britain—has lent impetus to tests of exotic species. Planting of most exotics in the United States has generally met with poor success. Yet there is always speculation that an introduced species may grow faster than a local one, or perhaps supply a type of wood not readily available. Occasionally, introduced species have been planted on a large scale without scientific evidence of adequate survival, satisfactory growth, and desirable form; and gross failures have resulted. Review of survival and growth of experimental plantations, as was done in this study, should assist in appraising the usefulness of both local and introduced species for tree planting programs.

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    Krygier, James T. 1958. Survival and growth of thirteen tree species in coastal Oregon. USDA Forest Service PNW Old Series Research Paper No. 26: 1-20

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