Conductivity Instrumentation for In Situ Measurement of Soil Salinity1
- C. G. Enfield and
- D. D. Evans2
A transducer has been developed which is capable of assessing, in situ, the electrical conductivity of soil water. The transducer is constructed of porous glass with platinum electrodes and operates over the entire field moisture range. The transducer is accurate to within 10% when measured with an associated soild state meter in a conductivity range of 1–20 millimhos/cm @ 25C and a temperature range of 5–45C. Typically, the time required to achieve 63% of equilibrium response, in aqueous solutions, is less than 2 hours.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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