Iron is a chemical element, there are plenty of food on the surface world, but generally, the iron is in the form of a compound soluble difficulty
or not soluble at all. Water solubility of iron is about 10-18 at pH 7.4. the quantity of dissolved as it was not enough against the growth of bacteria, so the demand for survival. Microorganisms that reside within the soil to produce substances that are specific to iron high. 5-NN1D5 kilo Dalton), also called SI rider roll up form.
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