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This article in SSSAJ

  1. Vol. 56 No. 6, p. 1796-1799
     
    Received: Mar 9, 1992
    Published: Nov, 1992


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doi:10.2136/sssaj1992.03615995005600060024x

Ionic Strength Effects on Acidity and Cations Leached from Forest Floor Cores

  1. Donald S. Ross  and
  2. Richmond J. Bartlett
  1. Dep. of Plant and Soil Science, Univ. of Vermont, Hills Bldg., Burlington, VT 05405

Abstract

Abstract

We treated fresh, intact forest floor core samples with three concentrations of artificial acidic precipitation. No differences in leachate pH were found between the acidic and nonacidic treatments at each concentration (30–300 µmolc L−1). A linear relationship was found between incoming ionic strength and leachate H+, the major cation leached in all treatments. Soil solution extracted in the field was chemically similar to the laboratory leachates. Our findings suggest that the downward movement of acidity in these soils is a function of the ionic strength of incoming leaching water, independent of short-term incoming acidity.

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