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Soil Science Society of America Journal Abstract -

Measurement of Apparent Electrical Conductivity of Soils by an Electromagnetic Induction Probe to Aid Salinity Surveys1


This article in SSSAJ

  1. Vol. 43 No. 4, p. 810-812
    Received: Oct 31, 1978
    Accepted: Mar 23, 1979

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  1. E. de Jong2,
  2. A. K. Ballantyne2,
  3. D. R. Cameron3 and
  4. D. W. L. Read3



A noncontacting soil resistivity probe, based on electromagnetic induction, was used to measure soil salinity. Good correlations were obtained between the apparent bulk soil conductivity measured by the instrument and the electrical conductivity of saturated paste extracts or the bulk electrical conductivity measured by the Wenner four-probe method. The electromagnetic induction technique provided less detailed information on salinity changes with depth than the other methods, but was faster and can provide a continuous record of salinity changes along a transect.

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