Loblolly Pine Growth 16 Years After Four Site Preparation Treatments

  • Authors: Adams, John C.; Vidrine, Clyde
  • Publication Year: 2002
  • Publication Series: General Technical Report (GTR)
  • Source: In: Gen. Tech. Rep. SRS–48. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pg. 503-506

Abstract

Thirteen-year growth results of 1-0 planted loblolly pine seedlings (Pinus taeda L.) on differently prepared upland mixed pine-hardwood sites located in north western Louisiana are presented. The study was designed as a randomized complete block consisting of three blocks of four site preparation treatments, which included: chop and burn, windrow, fuelwood harvest, and fuelwood harvest followed by an application of herbicide. Thirteen-year-growth results of the planted pine show no significant height differences but highly significant diameter differences (P < 0.01). Mean height varied from 40 feet for the fuelwood treatment to maximum of 43 feet for the windrow treatment. Mean diameter varied from 5.3 for the fuelwood and the fuelwood/herbicide treatments to a maximum of 6.9 inches for the chop and burn site preparation treatments which was significantly different. The initial performance of the stands hange over time and the potential gains by using herbicides to control hardwoods and by using genetically improved seedlings was lost because of high plantation density and pine on pine competition.

  • Citation: Adams, John C.; Vidrine, Clyde. 2002. Loblolly Pine Growth 16 Years After Four Site Preparation Treatments. In: Gen. Tech. Rep. SRS–48. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pg. 503-506
  • Posted Date: January 1, 2000
  • Modified Date: August 22, 2006
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