Assessment of Groundwater Quality Status for Irrigation in Thal Area
Journal Title: Current Investigations in Agriculture and Current Research - Year 2018, Vol 5, Issue 5
Abstract
The problem of ground water quality has become more imperative than the quantity, as the ecological glitches are getting more severe in various zones of the globe. Numerous factors such as pollution due to agricultural, industrial and human activities, poor groundwater governance and other ecological surroundings in which the water ensues to stay or move and intermingle with ground and living organisms. These impacts prominently on the ground water quality of specific zone. Therefore, a field study was planned in Land Reclamation Sub-Division Thal in 2016 to assess the quality of ground water being pumped. Thal Sub-Division includes Layya, Kundian, Ahmad Pur Sial and Bhakkar districts. Overall 370 water samples each in pre and post Mon soon season 2016 were collected. The water samples were analyzed for their quality characteristics. Data for quality of irrigation were analyzed, from electrical conductivity (EC) point of view : fit [(EC< 1 dS m-1), marginally fit (EC = 1-1.25 dS m-1) and unfit (EC > 1.25 dS m-1)]; from residual sodium carbonate (RSC) point of view, fit (RSC < 1.25 me L-1), marginally fit ( RSC=1.25-2.5 me L-1) and unfit (RSC >2.5 me L-1) and in case of sodium adsorption ratio (SAR), fit (SAR< 6 mmol L-1)½, marginally fit (SAR=6-10 mmol L-1)1/2 and unfit (SAR >10mmol L-1)1/2. The results indicated that 47% water samples were found unfit in the study area for irrigation purpose. The deleterious effects of salts could be mitigated by mixing of brackish water with canal water in different extents and/or spasmodic flushing of soil profile with decent feature irrigation water. This practice may be carried out periodically to avoid economic yield losses
Authors and Affiliations
Mohammad Shafiq, Abdul Ghaffar Sagoo, Naeem Akhtar, Khalid Nazir
Keywords
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- EP ID EP581107
- DOI 10.32474/CIACR.2018.05.000225
- Views 78
- Downloads 0
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