Discussion
The best irrigation method that suits area where scarcity of irrigation water is :
Answer: C
The best method where water is scarce is drip irrigation.
Drip irrigation delivers water slowly, drop by drop, through emitters placed at the root zone of each plant. Almost no water is lost to runoff, deep percolation or evaporation from wetted ground, so its application efficiency is the highest of all methods, around 90 percent.
Sprinkler irrigation also saves water, but loses more to evaporation and wind drift. Check flooding and furrow irrigation are surface methods that need far more water.
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