Question

How much area can be irrigated with a flow rate of 30 liters per second for 10 hours a day when irrigation requirement of the 100 days duration crop is 50 cm?

A 60.0 ha Correct Answer Incorrect Answer
B 30.0 ha Correct Answer Incorrect Answer
C 21.6 ha Correct Answer Incorrect Answer
D 16.6 ha Correct Answer Incorrect Answer

Solution

Total discharge during crop period= 30×60×60×10×100/1000 m3 = 108000m3 (1m3=1000 l) Irrigation water require/ ha= 50/100×10000= 5000 m3 Area irrigated= 108000/5000= 21.6 ha

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