A postharvest treatment of root, tuber, and bulb crops to reduce water loss and decay during storage. In root and tuber crops, curing refers to the process of wound healing with the development and suberization of new epidermal tissue called wound periderm. In bulb crops, curing refers to the process of drying of the neck tissues and of the outer leaves to form dry scales. Crops can be cured in the field or in facilities designed for the process.