Geography
What is meant by furrow irrigation? What is its advantage?
Water Resources
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Answer
Furrow irrigation is a type of flood irrigation in which the water poured on the field is directed to flow through narrow channels dug between the rows of crops, instead of evenly distributing the water throughout the whole field. The furrows must have equal dimensions, in order to guarantee that the water is distributed evenly.
The advantage of furrow irrigation is lower initial investment of equipment and lower pumping costs per acre-inch of water pumped.
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(ii) Sprinkler irrigation helps in conserving water.
(iii) Spray irrigation is quite expensive.
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