What are the important sources of irrigation? And why?
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Explanation:
The four methods of irrigation are:
Surface.
Sprinkler.
Drip/trickle.
Subsurface.
The main sources for irrigation water are groundwater from wells, surface water, drainage ponds, rain and municipal water. Drilled wells are a clean source of water for many greenhouse operations however, the water yield from drilled wells is usually limited.
The main source of irrigation in India is tube-wells which provide 46% of water for irrigation. Other sources include canals (24%), other wells (16%), tanks(3%) and other sources (11%).
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