Answer:
Modern
adaptations of traditional rainwater harvesting include
(i) 'Rooftop rainwater harvesting' is practiced in semi-arid areas of
Rajasthan to store drinking water.
(ii) In hills and mountaineous regions people build
diversion channels like that in the Western Himalayas for agriculture.
(iii) In arid and semi-arid regions, agricultural fields
were converted into rainfed storage structures that allowed the water to
stagnate and moisten the soil like the 'Khadins' in Jaisalmer and the 'Johads'
in other parts of Rajasthan.
(iv) In the flood plains of Bengal, people developed
inundation channels to irrigate their fields.
(v) Bamboo drip irrigation system is also being used in
Meghalaya and other states in the North-East of India.
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