الفهرس 
1. INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
In egypt rosetta branch is one of the two river nile branches is impacted by several pollutants of industrial companies and agricultural drainge water which contain sediments, animal wastes, plant nutrients ,crop residues inorganic salts,minerals chemical fertilizers pestsides and domestic wastes. both agriculture and industrial sources of pollution have degraded the water quality of rosetta branch.