Explain some harmful effects of agricultural practices on the environment.

Explanation

Some harmful effects of agricultural practices on the environment are :
(i) Excess use of ground water for agriculture lowers the water table.
(ii) Excessive use of fertilisers affects the soil pH and kills useful microbes.
(iii) Excessive use chemical pesticides lead to bio-magnification.
(iv) Extensive agriculture causes loss of soil fertility.
(v) Burning of agricultural waste like paddy and wheat straw results into the formation of smog that pollutes environment substantially.
(v) It affects our natural eco-system.