Several tools exist to finetune your irrigation schedule. Applying water at the right time is critical. More water early in the year (vegetative growth), less water second part of the year (maturation) Hull-split deficit strategy is effective for almonds. Trade-off if you cannot control irrigation for each variety. Optimizing irrigation has multiple benefits such as disease control andpest management. Crop coefficient is “weak link” for pistachios. Different approaches with ET sensors at several fields. We used a proportional deficit for partial ET irrigation.