Q.4
Following are the statements regarding irrigation efficiencies.
(A) . Water conveyance efficiency is associated with the canal network
(B) . Water application efficiency is related with the irrigation method.
(C) . Economic efficiency is related with the overall performance of the irrigation system
Choose the correct answer from the options given below:
- Classification of Irrigation Efficiencies:
- Water Conveyance Efficiency ($\eta_c$): Ratio of water delivered to the farm fields to water diverted from the source canal network: $\eta_c = (W_f / W_d) \times 100$. (True)
- Water Application Efficiency ($\eta_a$): Ratio of water stored in the crop root zone during irrigation to water delivered to the field, directly governed by the irrigation method (surface, sprinkler, drip). (True)
- Economic Efficiency: Evaluates overall economic returns generated per unit cost/volume of irrigation water across the system. (True)
- Conclusion: (A), (B) and (C) are all correct (Option 4).
Correct option: (4) (A), (B) and (C).
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