Mention two advantages that surface wells have over inundation canals. -SST 10th

Mention two advantages that surface wells have over inundation canals. -SST 10th
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Wells are an independent source of irrigation. It may be used as and when the necessity arises. (i) Wells are simplest and cheapest source of irrigation, can be dug at any convenient place. (ii) Inundation canals are ‘flood-water’ canals and have water in them only when the river is flooded during the rainy season.
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