Studies on locating moisture sensor for auomatic regulation of furrow irrigation systems

A.C.MATHEW AND S. SENTHILVEL

doi:https://doi.org/10.29321/MAJ.10.A00057

Madras Agricultural Journal

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Studies on locating moisture sensor for auomatic regulation of furrow irrigation systems

Author: A.C.MATHEW AND S. SENTHILVEL,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 91, Issue: jan-mar,

DOI:https://doi.org/10.29321/MAJ.10.A00057

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Abstract

Field trials were conducted to find out an optimum location. depth and distance from furrow head, to install an electronic tensiometer to facilitate furrow irrigation automatically. Response time of the sensor obtained from the study revealed various combinations of depth and distance suitable for sensor placement for three discharge rates, viz. 0.5 lit/sec, 1.0 lit/sec and 1.5 lit/sec. The electronic tensiometer was later used to automatically irrigate maize according to a set soil moisture tension.

Keywords: Automatic irrigation, Soil moisture tension, Response time. Electronic tensiometer.

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