Calcium: this element is often supplied by adding lime to the soil. If can be leached out and does not move very easily throughout the plant. Too much calcium can cause a high pH and reduce the availability of some elements to the plant. A lack of this element can stop bud growth and result in death of root tips, cupping of nature leaves, and blossom-end rot of many fruits. Pits on root vegetables can also be a sign of calcium deficiency.