Why should fields be irrigated?explain modern methods of irrigation.
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Answer:
irrigation is the artificial application of water to the field
Explanation:
irrigation is necessary because
every crop need different amount of water
rainfall pattern in India vary from place to place
some modern methods of irrigation are tubewell , pernnial canal , sprinkle irrigation , drip irrigation etc.
advantages of modern method
they are less time consuming
they are eco friendly
they are profitable and cheap in long run
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