Abstract

A new inductive electromagnetic device (EM) for measuring soil electrical conductivity (ECa) was tested. Practical and accurate methods are given for measuring ECa by soil depth intervals through soil profiles using a succession of EM readings made at various heights above ground. In contrast with other devices and methods for field salinity appraisal, readings are obtained without any soil-to-instrument contact. The device is well suited for field investigations of soil salinity.

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