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Title:	Diameter Growth 0f a Slash Pine Spacing Study Five Years After Being Thinned to a Constant Stand Density Index
Author(s):	Schexnayder, Jamie C.; Dean, Thomas J.; Baldwin, V. Clark, Jr.
Date:	2002
Source:	Gen. Tech. Rep. SRS–48. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. pp 156-158
Description:	Abstract - In 1994, a 17-year old, slash pine (Pinus elliottii var. elliottii) spacing study was thinned to evaluate the influence of prethinning stand conditions on diameter growth after thinning. Diameter growth and crown dimensions measured just prior to thinning showed that diameter growth was positively related to both initial spacing and average crown dimensions. After thinning, these relationships almost immediately disappeared. The first year after thinning, diameter growth was significantly affected by only the initial 8 x 8-foot spacing treatment and was unrelated to prethinning crown dimensions. From the second to the fifth year after thinning, neither initial spacing nor prethinning canopy dimensions significantly influenced diameter growth. Within the fourth and fifth years after thinning, diameter growth appeared to become inversely related to prethinning crown dimensions, but the pattern was not statistically significant.
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