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Estimating Bulk Density from Organic-Matter Content in Some Vermont Forest Soils¹

ABSTRACT

A close relationship between organic-matter content and bulk density was found in the acid till forest soils of the Green Mountains of Vermont. Reasonably good estimates of bulk density can be made from determinations of organic matter content. Thus, the difficulties of direct determination of bulk density in these stony soils can be avoided. A method of determining bulk density, including a correction for stone content, is described for use in these stony soils.

¹ Work reported in this paper was done as part of a cooperative project of the Northeastern Forest Exp. Sta. Forest Service, USDA, and the Department of Forestry, Vermont Agr. Exp. Sta., University of Vermont, Burlington. Portions of this study were conducted as part of a Northeast Regional Project (NE-27), a cooperative study involving agricultural experiment stations in the Northeastern Region and supported in part by regional funds of the U.S. Department of Agriculture. Publication has been approved by the Vermont Agr. Exper. Sta. as Journal Series Paper No. 121.

² Research Forester, Northeastern Forest Experiment Station, Forest Service, USDA; and Assistant Forester, Vermont Agr. Exp. Sta., University of Vermont, respectively.

Received for publication May 13, 1963. Accepted for publication October 2, 1963.