Development of a Provisional Tree Quality Index for Planted Loblolly Pines in East Texas
A tree quality index (TQI) utilizing visible characteristics of the stem and crown of standing planted immature loblolly pine (Pinus taeda L.) trees in East Texas was developed. In this preliminary work, elements comprising TQI were weighted in an attempt to reflect potential future conversion of mature planted loblolly pine trees into pulpwood, lumber, plywood, or veneer. Of 23 available plantation factors, in general, TQI was significantly affected by minimum stand diameter, density of nonplanted vegetation, site preparation methods, geographic location, and several soil properties. TQI may be used as supplemental information for rotation setting under financial criteria and, thereby, maximize net revenue from plantations. South. J. Appl. For. 16(2):106-110.
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Document Type: Journal Article
Affiliations: School of Forestry, Stephen F. Austin State University, Nacogdoches, TX 75962-6109
Publication date: 01 May 1992