Abstract
A Comparative study was carried out in different shrimp processing industries at Rupsha Upazila under Khulna district during 2010. In the experiment, some soils which are collected from nearby fields of the industries and the agricultural field that approximately 100 meters away from the industries were determined to sketch out the nutrient dynamics of the experimental area. The nutrient contents of water were analyzed for measuring pH, EC, Salt percentage and some major ionic concentrations. The pH was more than 8.0 in the polluted soil which reflected alkaline in nature. The EC values was also higher (7.7 dSm-1) in polluted soil than in controlled soil (5.54 dSm-1). Other values of major ionic concentrations were differing from controlled soils to polluted soils except Ca, Mg. Among the five industries, Lockpur fish processing industry showed the most effectively increased the values and concentrations of different chemical parameters. High sodium (alkali) content with medium salinity hazard is the major problem in the investigated area. So, appropriate sustainable management technologies need to be incorporated to control pH and salinity hazard.
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