Efficiency (Irrigation) (1) A measure of a distribution system’s ability to transport and apply water to a desired effect with a minimum of effort, expense, or waste. (2) With reference to an irrigation water delivery system, the proportion of the amount of water delivered for irrigation use compared to the total amount of water released to meet that delivery (i.e., the amount of delivery divided by the amount of release). With respect to irrigation project efficiency, the following terms generally apply: 1 Canal Efficiency – The volume of water diverted into a canal system versus total water available for farm headgate deliveries, 2 Irrigation Efficiency – The percentage of water applied that can be accounted for in soil moisture increase, and 3 Farm Efficiency – The amount of water actually required for growing a crop compared to the amount of irrigation water that is diverted at the farm headgate.
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Author of the Water Words Dictionary source of text: Gary A. Horton
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