Abstract
A Comparative study was carried out in different shrimp processing industries at Rupsha Upazila under Khulna district from January 2010 to December 2010. In the experiment, some water quality parameters were determined to sketch out the nutrient dynamics of the experimental area. The nutrient contents of water were analyzed for measuring temperature, pH, EC, salinity, sodium adsorption ratio (SAR), soluble sodium percentage (SSP), hardness and some major ionic concentrations. The temperature of the water samples were ranged from 29.1°C to 29.3 °C and the pH varied from 8.0 to 8.12 which reflected neutral to alkaline in nature. The values of SAR, SSP and hardness were ranged from 4.28 to 8.65, 71.24 to 81.847 percent and 239.1 to 312.3 mg L-1, respectively. Among the five industries the hazardous classes of the four industries reflected High sodium (alkali) content with medium salinity hazard. So, from the result, it may be concluded that appropriate sustainable management technologies need to be incorporated to control pH, hardness and salinity of that water.
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