Determining Criteria for Operating Irrigation Systems

by Alberto Losada, Univ Politecnica, Madrid, Spain,
Luis Juana, Univ Politecnica, Madrid, Spain,
Eduardo Hernández, Univ Politecnica, Madrid, Spain,



Document Type: Proceeding Paper

Part of: Irrigation and Drainage

Abstract: Operation variables involved in the management of given irrigation systems are the irrigation time and the inlet head, when sprinkling or drip methods are applied, or the time of cutoff and the size of flow, for surface methods. The effects of those variables on irrigation performance are evaluated. Concepts receiving some attention are coefficients evaluating field irrigation efficiency, in order not to waste too much water, and water deficit, in order to grow crops adequately. Irrigation criteria have been developed in order to select operation variables which may optimize irrigation performance. Diagrams are presented which can help managing irrigation systems.

Subject Headings: Irrigation systems | Management methods | Trickle irrigation | Water conservation | Sprinkler irrigation | Inlets (waterway) | Head (fluid mechanics)

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