Abstract
Rain-fed agriculture depends on the groundwater as a supplementary source of irrigation. The poor quality of water from the hard rock area is applied to the crops to save the crop. Continuous irrigation leads to degradation of soil, drip irrigation system as well plants. This study assessed the damages on the drip irrigation system and soil, inflicted by the use of low-quality irrigation water. The quality of water was improved with reference to raw water in terms of pH (1.57% - 5.88%), EC (3.08% - 10.08%), ions (0.96% - 46%) by using magnetization method, without disrupting the existing irrigation system in the basaltic aquifer in semi-arid to the arid condition. This was demonstrated before the farmers in central India.
Highlights
About 60% of the total net sown area in India is under rain-fed agriculture and 48% of food crops is generated from this practice
After installation of the water quality improvement device and water passing through the device and outlet water collected and analyzed at MIT-CARS laboratory (@ Maharashtra Institute of technology, Aurangabad), with the help of standard protocol and the results are presented in Table 4 and Table 5
The salts in the irrigation water are from the natural weathering
Summary
About 60% of the total net sown area in India is under rain-fed agriculture and 48% of food crops is generated from this practice. Rain-fed agriculture is practised in areas receiving an annual rainfall of 375 to 1125 mm by using supplementary irrigation from groundwater. These areas experience drought situations once in two years, as well water stress at regular interval. The objective of this study is to 1) assess the quality of irrigation water with their impacts on the irrigation delivery system & soil 2) improve the quality by the magnetized method & assessment of the impacts
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