What are reasons to avoid use of chemical pesticides?
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It pollutes ground water...by mixing these chemicals wid fresh ground water...
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When there is a rain there chemical pesticides mix with them , penetrate into soil pollutes ground water , decreases soil fertility , kills the useful microbes present in the soil which are useful to plants , this polluted ground water is used by farmers to irrigate their field which makes us to intake chemical fertiliser along with our food that is harmful for our body
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