Early Growth Reductions in Short Rotation Loblolly and Slash Pine in Central Louisiana

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Abstract
Twenty-two-year-old loblolly (Pinus taeda L.) and slash pine (P. elliottii Engelm. var. elliottii) research plantations were clearcut-harvested and replanted with the same species. The objective was to compare tree growth between the two rotations. Seven growing seasons into the second rotation, loblolly and slash pines averaged an 8- and 3-ft reduction in total height, respectively. Height growth of loblolly pine was especially reduced on replanted plots that had been harrowed or harrowed and bedded 22 yr earlier, but the reduction in growth occurred on the burn-only (check)plots as well. The reasons for these growth declines were not identified, but it was unlikely that differences between rotations in rainfall patterns, logging damage, or competition were responsible. South. J. Appl. For. 18(1):35-39.

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