Deficit irrigation strategy means to reduce the total irrigation water supply to the crop in certain periods of low sensitivity to water deficit, reducing water consumption, without producing significant yield losses.


Regulated deficit irrigation manages to improve water use efficiency by crops, reducing, in addition, water losses from surface runoff or deep percolation. In the case of crops such as cotton, applying irrigation below the optimum, does not lead to significant drops in yield, improving water productivity, which helps to ensure the sustainability of farms.