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    Author(s): James M. Guldin; James B. Baker
    Date: 1988
    Source: Southern Journal of Applied Forestry. 12: 107-114
    Publication Series: Scientific Journal (JRNL)
    Station: Southern Research Station
    PDF: Download Publication  (412.0 KB)


    Empirical yields for a 36-year management period are presented for seven long-term studies on similar sites in loblolly-shortleaf pine (Pinus taeda L.-P. echinata Mill.) stands on the upper southern coastal plain of southern Arkansas and northern Louisiana. Total merchantable cubic-fooy yields are highest for conventionally managed even-aged plantations; sawtimber cubic-foot yields are highest for intensively managed even-aged plantations and intensively managed uneven-aged stands. However, uneven-aged stands have higher board-foot sawtimber yields than the most productive even-aged stands, particularly in comparisons using the Doyle log rule. It is hypothesized that the even-aged plantations have higher cubic-foot yields because they are more fully stocked with trees of merchantable size. Conversely, the uneven-aged stands have higher board-foot yields because of the greater proportion and continuous supply of sawtimber basal area, especially in stems of large size, which can be developed using the uneven-aged selection method.

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    Guldin, James M.; Baker, James B. 1988. Yield comparisons from even-aged and uneven-aged loblolly-shortleaf pine stands. Southern Journal of Applied Forestry. 12: 107-114. 


    yield, uneven-aged, even-aged, loblolly pine, shortleaf pine

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