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24, chemin de Borde Rouge -Auzeville - CS52627 31326 Castanet Tolosan cedex - France

Last update: May 2021

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AGADAPT - Adapting the water use by the agriculture sector

Decision making process and irrigation implementation

The process followed for irrigation scheduling in order to save water and energy simultaneously was: 1. Crop water requirements and the theoretically needed irrigation are calculated according the CLM approach. 2. An optimization algorithm for scheduling the required irrigation in space and time is used. It is determined when and how long each intake must operate, in such a way that the performance of the pumps is optimal. Previously, the hydraulic network model was built and calibrated. 3. The SCADA system is programed using as input the result of step 2 listed above. 4. The selected irrigation plots are monitored by means of capacitance probes, stem water potential measurements and other methods to estimate some irrigation performance indicators such as the Seasonal Irrigation Performance Index (SIPI) that relates the crop water requirement estimated with the actual supplied volume.

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