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dc.contributor.authorJohnson, Philip Evan
dc.description.abstractExisting loblolly pine (Pinus taeda) Culture x Density studies were used to examine effects of two cultural intensities, different planting densities, and their interactions on stand, crown, and resource use efficiency attributes in non-thinned and thinned plantations during the age 12 to 15 year period. There were few significant effects of culture or the culture x density interaction although values for many stand and crown attributes were greater under intensive than operational culture. Thirteenth growing season resource use efficiency measures were significantly greater for operational than intensive culture on thinned installations. Planting density significantly affected many attributes. Generally, tree size decreased and stand crown measures either increased (non-thinned) or decreased (thinned) with increasing planting density. Resource use efficiency tended to increase with greater density in non-thinned stands. These results suggest that density management is more important for achieving management objectives than culture when site resource availability is high.
dc.subjectLoblolly pine, culture, planting density, crown, thinning, growth efficiency
dc.titleCultural intensity and planting density effects on individual tree- stem growth, stand and crown attributes, and stand dynamics of non-thinned and thinned loblolly pine plantations during the age 12- to 15- year period in the Upper Coastal Plain and Piedm
dc.description.departmentDaniel B. Warnell School of Forestry and Natural Resources
dc.description.majorForest Resources
dc.description.advisorMichael Kane
dc.description.committeeMichael Kane
dc.description.committeeDehai Zhao
dc.description.committeeRobert O. Teskey

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