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Does Row Orientation Affect the Growth of Loblolly Pine Plantations?

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Analysis of covariance methods applied to long-term loblolly pine spacing trial growth data showed that the orientation of rows with regard to a particular azimuth direction had no significant impact on either basal area or dominant height growth through the age of 20 years. Results were consistent for a range of planting densities and spacings and across a range of ages that included very young ages before crown closure. These results suggest that for loblolly pine growing in the Piedmont and Coastal Plain areas of Virginia and North Carolina, the selection of row orientation at plantation establishment can be made based on criteria other than growth.

Keywords: Pinus taeda; density; growth and yield; row crops; spacing

Document Type: Research Article

Publication date: 2009-05-01

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  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Southern Journal of Applied Forestry covers an area from Virginia and Kentucky south to as far west as Oklahoma and east Texas.
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