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Returned water is surplus drainage water from irrigation or from rainfall runoff. This water can be redirected into the on farm storage or otherwise can be returned to the river via a confluence node. This is optional in the demand model configuration and can be added by right clicking the Irrigator(menu item) and selecting Return Efficiency. It is expressed as a percentage.
Target Modifier
Irrigation modifiers are included into Source to allow a simple mechanism to reduce irrigation intensity for recurring periods of time.
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