Rotation Age and Establishment Density for Planted Slash and Loblolly Pines

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Abstract
The basic relationships between initial numbers of trees established, rotation age and subsequent stand yields, product volumes, and tree sizes are reviewed. Choice of planting density should be made jointly with choice of rotation age in order to maximize some financial criterion (net present value or internal rate of return) subject to any appropriate constraints associated with product and yield objectives. The use of isopleth charts in making the decisions is illustrated. Examples are given for slash pine on prepared sites in the lower coastal plain of Georgia and Florida and for loblolly pine in the West Gulf region on cutover, unprepared sites. Isopleth charts are also used to analyze the cost effectiveness of increasing initial survival at higher per-acre establishment costs. South J. Appl. For. 10:162-68. Aug. 1986.

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