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Quality of Irrigation Water: Need and Criteria

Water is an important input in crop production. Before using, the water's suitability for usage needs to be determined by testing its quality. Whether it is pumped from tube wells or diverted from streams, irrigation water contains a sizable amount of dangerous compounds in solution that could lower crop output and can reduce the fertility of the soil. The primary attributes used to evaluate the quality of irrigation water are sodium absorption ratio (SAR), total dissolved solids (TDS), and Residual Sodium Carbonate (RSC) and Electrical Conductivity (EC). The water's quality is being declined as a result of the untreated industrial effluent and agricultural saline being disposed of effluents straight into canal water and groundwater. Therefore, determination of the quality of irrigation water is important before applying it to irrigation.