It is an excellent source of both calcium and chloride for crops. It is also used as a soil amendment treatment to reduce sodium levels in soil. Calcium chloride improves soil tilth and reduces crusting. It is used as a preharvest treatment (foliar applications) to reduce physiological disorders, such as bitter pit in apples and blossom-end rot in tomatoes. Calcium chloride may also be used as a post harvest dip treatment to improve the shelf life of fruits and vegetables.