Suitability of Groundwater Quality for Irrigation
Journal Title: International journal of Emerging Trends in Science and Technology - Year 2014, Vol 1, Issue 5
Abstract
Reconnaissance on the suitability of groundwater quality for irrigation in Tubinakere industrial area, Mandya district, Karnataka was done by determining ion exchange, potential salinity, Cl- /HCO3 - ratio, magnesium hazard, percentage sodium, Kelley’s ratio and Residual Sodium Bi-Carbonate (RSBC). 94% of the samples are positive in case of both cation exchange indices leading to reverse ion exchange, potential salinity is slightly high making groundwater samples unfit for irrigation purpose. 75% of samples are slightly to moderately affected on the basis of Cl- /HCO3 - ratio. Two of samples falls in unsuitable category with Magnesium Hazard >50%. Based on the classification of percentage sodium, maximum of samples falls under excellent, good waters and 87% of samples were suitable for irrigation as per Kelley’s ratio. RSBC values were <5meq/L safe for irrigation purposes. The study stated that water quality hazards of potential salinity and ratio of Cl- /HCO3 - values indicates that groundwater samples are not suitable for irrigation.
Authors and Affiliations
Latha S
Keywords
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