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Q.
The reason that the chemical/synthetic fertilisers should be replaced by biofertilisers is that the former
Microbes in Human Welfare
Solution:
Chemical fertilisers are being used in increasing amounts in order to increase output in high yielding varieties of crop plants. However, chemical fertilisers cause pollution of water bodies as well as ground water, besides getting stored in crop plants. They are expensive and also require lot of energy resources in their manufacture