The aims of this study were to determine the effect of watering volume and boiler ash dosages on the number of frond fracture, and the growth and yield of oil palm (Elaeis guineesnsis Jacq.) during the dry season in dry land. This research has been carried out in the oil palm experimental garden, Faculty of Agriculture, Sriwijaya University, Indralaya, in July 2018 to January 2019. Watering the…