Curing (vegetable preservation)Curing is a technique for preservation of vegetable material. It involves storing the material in a prescribed condition immediately after harvest.Wound healingIn root and tuber crops such as potatoes and carrots, curing refers to waiting for the healing of wounds by periderm formation. Doing so prolongs shelf life and reduces water loss.Bulb dryingIn bulb crops such as onion and garlic, "curing" is the process of drying of the neck tissues and of the outer leaves to form dry scales.Leaf dryingIn leaf crops such as cannabis, tobacco, and tea, curing is a short aging process that dries the product and stops biological processes. For cannabis, this process reduces the content of sugars and chlorophyll.Other processes referred to as curingVanilla is cured for storage. The beans are killed, sweated, slow-dried, and conditioned.