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    Author(s): V. Clark Baldwin; D.P. Fudiccia; James D. Haywood
    Date: 1989
    Source: Canandian Journal for Forest Research 19:247-256.
    Publication Series: Scientific Journal (JRNL)
    PDF: Download Publication  (826 KB)


    This study compared growth responses in planted loblolly pine (Pinus taeda L.) and slash pine (P. elliottii Engelm.) stands thinned by using three row-felling methods and at the same density levels, three selective felling methods. The study plots were in six plantations, aged 15-22 years, located in central Louisiana. Growth was measured 5 and 10 years after plot installation. Site index varied from 19.5 to 31.7 m (base age 50) and initial planting densities ranged from 1993 to 2989 trees/ha. Study results show there will likely be less diameter increment and less net basal area and cubic-metre volume per unit area growth and yield, and the growth will be in smaller-sized trees, if row thinning is used rather than selective thinning from below. These differences will probably be greater in slash pine plantations than in loblolly pine plantations.

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    Baldwin, V. Clark, Jr; Fudiccia, D.P.; Haywood, James D. 1989. Postthinning growth and yield of row-thinned and selectively thinned loblolly and slash pine plantations. Canandian Journal for Forest Research 19:247-256.

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