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Description of Soils Having Disturbed or Discontinuous Horizons¹

ABSTRACT

The highly disturbed and discontinuous horizons of many podzolic soils make them difficult to describe, classify, and identify in the field. A method of differentiating such soils was used on three map units in Southern Ontario. The method required some modification because it failed to use discontinuity as a variable. The use of a disturbance index and a discontinuity index in describing soil series and map units with highly disturbed and/or discontinuous horizons is suggested.

¹ Journal Series Paper No. 2409 of the Florida Agric. Exp. Stn.

² Associate Professor, School of Forest Resources and Conservation, Univ. of Florida, Gainesville, and Soil Scientist, Weyerhaeuser Co., Centralia, Wash., respectively.

Received for publication February 5, 1980. Accepted for publication June 23, 1980.