THE ETPPRP THINNING STUDY OF FIRST-THINNED LOBLOLLY PINE PLANTATIONS IN EAST TEXAS: 2013 to 2015 RESULTS REPORT 70
Thinning is a well-known silvicultural practice that increases the resources available to desirable trees by removing competing trees. The response to thinning in residual loblolly and slash pine trees is well-documented, except in the Western Gulf Coastal Plain and especially east Texas. Burrow (2001)1 most recently studied thinning response of loblolly pine in the Western Gulf Coastal Plain using data from the Loblolly Pine Growth and Yield Research Cooperative in east Texas (six plots in Walker, San Jacinto, and Polk counties) and western Louisiana (ten plots in Bienville and Jackson parishes). He found that no significant differences exist between thinning response of the West Gulf trees versus the trees in plantations of the Southeast. Nevertheless, he developed a thinning response model for use in the Western Gulf Coastal Plain. No other studies have been published on thinning response of pine plantations in east Texas, though the Pine Management Research Cooperative have installed a few research sites in east Texas and western Louisiana to study thinning response in second-thinned loblolly pine plantations.
THE ETPPRP THINNING STUDY OF FIRST-THINNED LOBLOLLY PINE PLANTATIONS IN EAST TEXAS: 2013 to 2015 RESULTS BY DEAN W. COBLE JASON GROGAN AND YUHUI WENG REPORT 70 FROM THE EAST TEXAS PINE PLANTATION RESEARCH PROJECT ARTHUR TEMPLE COLLEGE OF FORESTRY & AGRICULTURE STEPHEN F. AUSTIN STATE UNIVERSITY NACOGDOCHES, TX 75962 APRIL 2016
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