Iron is one of the least consumed foods that is sufficient for the growth of crops and orchards. And it has a valuable role in the formation of greenery of crops and orchards, and in case of its deficiency, Chlorophyll is not found in sufficient amounts in the cells, and the leaves appear to be discolored. Yellowing of leaves caused by lime is a special form of iron deficiency in plants. Iron is absorbed bilaterally and is generally absorbed. This element is involved in the structure of hemoproteins such as cytochromes, cytochrome oxidase and hemoglobin log. Although iron is not present in the structure of chlorophyll, it plays an important role in the synthesis of that element. This element exists in various forms of minerals in the soil. Iron fertilizer is the best fertilizer for soil fertilizer, iron chelates are expensive fertilizers.