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LEED Green Associate

Category - Water

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Which of the following irrigation systems has the highest average irrigation efficiency?

portable sprinklers
rotary sprinklers
furrow irrigation
drip irrigation

Explanation

Answer: D - Drip systems have a higher irrigation average efficiency than overhead sprinklers. Drip systems prevent water being lost due to evaporation, and have an average water application efficiency of 90%, whereas sprinkler irrigation has an efficiency of 65% and surface irrigation has an average efficiency of 75%.

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