一、合理供水。采果前后遇到干旱天气，要充分供水，使桔果充分膨大。供水方法可分沟灌、浇灌和喷施三种。沟灌除灌满园内深水沟外，还要增开深窄沟，引水进入桔根密集层的土壤内，使桔根迅速吸水，满足叶面蒸腾的需要；浇灌则应耙开表上或挖穴、开沟，然后浇水渗透后覆盖；如 First, a reasonable water supply. Before and after picking fruit encounter dry weather, to full water supply, so full of orange swollen. Water supply method can be ditching irrigation, irrigation and spray three. Ditch irrigation filling the park deep ditch, but also by the opening of deep narrow ditch, water diversion into the orange dense soil, the orange root quickly absorb water to meet the needs of leaf surface transpiration; irrigation should be rake open the table or dig Points, ditches, and then covered with water after penetration;