What is the role of canals?

  • A canal is an excavated path or a trench through which the from the reservoir flows to the cultivated lands by gravity.
  • While fixing the alignment of the canal, it should be taken along the ridgeline so that it will command maximum area under irrigation such as canal is called watershed canal.
  • As far as possible the canal should run along the centre line of the land to be cultivated.
  • It should be excessive cutting and through favourable soil condition.
  • Its path should not be taken without excessive cutting and embankment.
  • It should cross minimum drainage lines. The cost of land acquisition should be as far as a minimum.
Canal

Canal

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