Allied & ICAR Exam Bank • ALLIED_3401 NAT • 2 Marks

Section 5: Irrigation and Drainage Engineering

Irrigation Water Conveyance and Application Methods

Subtopic: Irrigation efficiencies

Question Statement:

An irrigation system #10 delivers water volume V_d = 490 m^3 to a field of area 1 ha. If water stored in crop root zone is V_s = 372 m^3, the water application efficiency in percent (E_a = V_s / V_d * 100) is approx:

Answer Key:

75.9

Step-by-Step Solution & Explanation

E_a = V_s / V_d * 100 = 75.9%.
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