Answer:
Some harmful
effects of agricultural practices on the environment are as follows
(i) Soil degradation Extensive cropping causes loss of soil
fertility. Also, over the time it can lead to soil erosion and finally to
desertification.
(ii) Pollution Use of synthetic fertilizers and
pesticides leads to soil water and air pollution.
(iii) Water shortage Excess use of ground water for
agriculture lowers the water table. This results in acute water shortage at
many places.
(iv)Bio-magnification The chemical pesticides,
being non-biodegradable accumulates in organisms in increasing amounts at each
trophic level.
(v) Deforestation Indiscriminate felling of trees for agriculture
has resulted in loss of habitat for wildlife. Thus, it also causes damage to
natural ecosystem
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