Height Growth of Loblolly and Slash Pine Plantations in the Northern Post-Oak belt of Texas
Authors: Hansen, Robert S.; Bilan, M. Victor
Source: Southern Journal of Applied Forestry, Volume 13, Number 1, 1 February 1989 , pp. 5-8(4)
Publisher: Society of American Foresters
Abstract:Age accounted for over 70% of the variation in tree height of 10- to 44-year-old loblolly pine (Pinus taeda L.) and slash (Pinus elliottii Engelm.) plantations established on deep sands, moderate sands, and nonsandy soils in the Northern Post-Oak Belt of Texas. Climatic and edaphic factors, relating either directly or indirectly to the amount of moisture available for tree use, explained up to 17% of height growth variation. Height growth of the plantations was comparable to that of plantations growing in the pine-mixed hardwood forest cover type of East Texas. The Northern Post-Oak Belt of Texas is an area approximately 50 to 100 miles wide located between the pine-mixed hard-wood forest type to the east and the black-land prairie to the west. Soils within the belt belong primarily to the Alfisol or Ultisol soil orders. The western-most areas of the belt receive up to 20% less annual rain fall than the pine-mixed hardwood type of East Texas (U.S. Environmental Data and Information Service 1949-1982). The present forest of this area is dominated by post oak (Quercus stellata Wang.), black-jack oak (Quercus Marilandica Muench.), bluejack oak (Quercus incana Bartr.), and black hickory (Carya texana Buckl.) (Ward 1984). Loblolly pine (Pinus taeda L.) and shortleaf pine (Pinus echinata Mill.) occur naturally only in scattered locations (Wilson and Hacker 1986). South. j. Appl. For. 13(1):5-8.
Document Type: Journal Article
Affiliations: Stephen F. Austin State University, School of Forestry, P.O. Box 6109 SFA Station, Nacogdoches, TX 75962
Publication date: February 1, 1989
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