It is a chemical compound containing iron sulphate, iron element and sulphate roots (sulfur and oxygen). Green crystal structure. Iron is a critical element for plants, just as it is in human and animal life. Iron is an indispensable element for the formation of chlorophyll, which is the part of the plant that takes carbon dioxide and gives oxygen. The plant will fulfill iron needs from the soil, in the case of deficiency, the crop will stop growing, the yield will decrease. Iron sulphate is most suitable products when iron is needed in the soil. Sulfert Chemicals's iron sulphate product contains at least 20% iron in its content. This leaves the iron need for young leaves and new shoots. It also fulfills the sulfur needs of the plant with the sulphate content.