Year: 2017 | Month: February | volume 10 | Issue 1
Assessment of irrigation water quality collected from different sources and effect of seasonal variation in canning block, 24 south parganas, West Bengal
Abstract:
The present work aimed to classify the irrigation water quality of surface water (Pond) and groundwater (shallow), Collected from different sources and different seasons in Canning Block, 24 South Parganas, West Bengal. Thirty water samples were collected in Pre-monsoon and post- monsoon for analysis of physico - chemical parameters like pH, Electrical Conductivity (EC), Chloride (Cl-), Carbonate (CO3--). Bicarbonate (HCO3--), Sulphate (SO4-), Calcium (Ca++), magnesium (Mg++), Sodium (Na++), Potassium (K+), Sodium adsorption ratio (SAR), Residual sodium carbonate ( RSC) . Analysed water samples of shallow tube well were found in pre- monsoon rated as 73.33 % (C3-S1) under high salinity and 23.66% (C4-S1) under very high salinity water, but after post- monsoon were found of shallow tube well were 46.66% (C2-S1) water samples converted in under medium range and 53.33% (C3-S1) water under high range found. In respect of Pond water samples were found in pre monsoon 93.33% (C3-S1) samples under high salinity water and 6.66 % (C2-S1) under medium range. After post monsoon of pond samples found 73.33 % (C2-S1) in medium range and 26.66 % (C3-S1) in high range.
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