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Site Index of Yellow-Poplar in Relation to Soils and Topography in the Allegheny Plateau of Ohio

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Yellow-poplar is an important component of forest stands in much of the central and eastern United States, and areas and volumes of the species have increased significantly in recent years. Multiple regression equations using soil and topographic factors were developed for predicting height growth and site index for yellow-poplar growing on old-field sites in the unglaciated Allegheny Plateau of Ohio. Equations containing only aspect, slope position, and tree age accounted for approximately 75% of the variation in heights of trees, while adding total soil depth and/or pH of the A soil horizon increased the variation accounted for to 80 to 83%. Thirty-five year site indices (based on age at breast height (bh) and height from bh to growing tip) varied from 56 to 80 ft. North. J. Appl. For. 5:34-38, March 1988

Document Type: Journal Article

Affiliations: Texas Agricultural Experiment Station, Texas A&M University, El Paso, TX 79927

Publication date: 1988-03-01

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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 Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.
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