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Solubility of iron is limited in calcareous soil although it is one of the most common elements in earth’s crust. Therefore, plants growing in this kind of soil are constantly exposed to the stress of iron deficiency. When untreated, iron deficiency restricts agricultural production because one third of the agricultural land in the world is made up of this type of soil. Different iron fertilizers are used in the treatment of iron deficiency observed in plants. However, the use of these fertilizers increases production costs. In order to reduce the cost, plants must be able to use the most effective way to extract iron from the soil. For this reason, it is necessary to first examine how the plants take iron into roots from the soil. It has been discovered that during the last three decades, different plant groups used three different iron uptake mechanisms. The purpose of this review is to talk about the transporters responsible for the uptake of iron into the root, and the current developments about these transporters.

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