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Explain some harmful effects of agricultural practices on the environment....

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(i) Excessive use of fertilizers changes the chemistry of soil and kills useful microbes.
(ii) Excessive use of non-biodegradable chemical pesticides leads to biological magnification.
(iii) Extensive cropping causes loss of soil fertility.
(iv) Damage to natural ecosystem or habitat.
(v) Excessive use of ground water for agriculture lowers the water table.

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