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प्रश्न
What is the effect of pollution on soil?
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उत्तर
Soil is the foundation of a healthy biosphere. Precipitation from air as acid rain and dry deposition of pollutants on land surface contribute to soil pollution. Pollutants combine with plant nutrients and are consumed by animals. Polluted soils unfavourably affect the microbial environment resulting in reduction in mineralization and decomposition processes. Soil fertility and aeration are also reduced, earthworms, nematodes, etc., are destroyed by toxic chemicals.
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संबंधित प्रश्न
List two major harmful effects of the following:
Pesticides such as DDT used in agriculture.
Explain the Term: Bio-fertilizer
Explain the Term: Nitrification
Two chemical fertilizers.
Name one non-degradable pollutant.
A bio-fertilizer.
A free living bacteria which helps in nitrogen fixation.
Soil pollution is largely localised.
Chemical fertilisers may reach the rivers but do not harm the fish.
Define the following term:
Pesticides
