EVALUATION OF SURFACE WATER FOR IRRIGATION OF DIGHALIA UPAZILA IN KHULNA DISTRICT OF BANGLADESH

K.G.  Quddus; MJ.  Uddin; M.M.  Rahman; M.A.  Maleque; S.M.A.T.  Khandeker; S.A.K.U.  Khan

doi:10.53808/KUS.2001.3.1.0125-L

Authors

K.G. Quddus Agrotechnology Discipline, Khulna University, Khulna 9208, Bangladesh
MJ. Uddin Soil Resource Development Institute, Daulatpur. Khulna
M.M. Rahman Soil Resource Development Institute, Daulatpur. Khulna
M.A. Maleque Soil Resource Development Institute, Daulatpur. Khulna
S.M.A.T. Khandeker Soil Resource Development Institute, Daulatpur. Khulna
S.A.K.U. Khan Agrotechnology Discipline, Khulna University, Khulna 9208, Bangladesh

DOI:

https://doi.org/10.53808/KUS.2001.3.1.0125-L

Keywords:

Surface water, Water quality, Irrigation

Abstract

An investigation was conducted to find out the surface water quality and classify them according to their suitability for irrigation in Dighalia Upazila. The water samples from eighteen selected locations were collected and analyzed for pH, EC, Ca, Mg, Na, K, S, B, Zn, Fe, Cu, Mn, SAR, SSP and hardness (HT). The pH values of water indicated neutral to alkaline in nature and chemical analyses of water samples reflected the concentration of most ions were within the safe limit except Mg, Na and K concentration those were higher in surface water than normal concentration. Classification on the basis of EC, SAR and HT indicated safe limit for irrigation and only 22% water samples were within the permissible limit based on SSP for irrigation use.

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