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For the plant metabolism and other biochemical reactions, the plant requires twenty different elements along with light and water. The elements that are required for plant growth and development are called essential nutrients. To complete the lifecycle of a plant different essential elements are required. a plant cannot complete its life cycle without the element.

Diseases like chlorosis, stunted growth, and slow growth have been observed in plants with nitrogen and calcium deficiencies. Chlorosis is a condition where the leaves turn yellow due to the loss of chlorophyll pigments.

The growth of the plant is inhibited due to calcium deficiency. During the early stages, calcium deficiencies can be identified due to slow growth in plants. Adding calcium to soil can overcome the disease.