how the use of chemical fertilizers be harmful
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it reduces the fertility of soil so we should not add large amount of fertilizer to our soil
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The biggest issue facing the use of chemical fertilizers is groundwater contamination. Nitrogen fertilizers break down into nitrates and travel easily through the soil. Because it is water-soluble and can remain in groundwater for decades, the addition of more nitrogen over the years has an accumulative effect,this is why it is harmful.
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