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This article in SSSAJ

  1. Vol. 49 No. 6, p. 1579-1581
     
    Received: Dec 27, 1984
    Published: Nov, 1985


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doi:10.2136/sssaj1985.03615995004900060049x

Referencing Water Content Effects on Soil Electrical Conductivity—Salinity Calibrations1

  1. Jean-Christophe Bottraud and
  2. J. D. Rhoades2

Abstract

Abstract

The effects of hysteresis on soil electrical conductivity (σa), matric potential (ψm), and σa-volumetric water content (Θ) relations were evaluated for two matrix materials using laboratory column techniques. These σa-Θ relations were found to be little dependent on whether changes in soil moisture occurred by drying or wetting. In contrast, σam relations displayed a strong hysteresis effect. It is concluded that Θ is a simpler and more accurate parameter to use for adjusting for soil moisture status when determining soil salinity from measurements of σa.

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