Site Index of Red Pine in Relation to Soils and Topography in the Allegheny Plateau of Ohio
Multiple regression equations using topographic and soil factors were developed for predicting height growth and site index for red pine planted on old-field sites in the unglaciated Western and Central Allegheny Plateau Regions of Ohio. Regression equations containing slope position and aspect combined with tree age accounted for 58% of the variation in heights of trees. Height growth increased with A soil horizon thickness, and adding that variable to equations increased the variation explained to 61%; conversely, growth decreased as clay content of the B soil horizon increased and adding that factor further increased the variation accounted for to 66%. North. J. Appl. For. 7:129-133, September 1990.
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Document Type: Journal Article
Affiliations: Chemlawn Corp, Columbus, Ohio 43081
Publication date: 1990-09-01
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