effluents. An increasing concentration is observed for most of these substances. The increase and the decrease of 4.3% in pH, suggests a degradation of by microorganisms. This degradation was accompanied by a decrease of 2% of 100%, are related to a n of NO 3 where latters declined by 77%. These increases are related also to the large amount of human and animal fertilizers.
Research ArticleA.Mebarkia et al.
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