Iron

Iron is found in more or less abundant quantities in almost all soils in the form of silicate, sequioxide, phosphate. Less abundant, however, is found in plants, despite its important functions on plant metabolism. Deficiency phenomena in the vegetation do not occur only in the case of a lack of the element in the soil. In fact, the chemical reaction of the soil affects the deficiency. If the pH is high, the iron precipitates as an oxide, while the acid pH increases the soluble fraction. Iron deficiency causes iron chlorosis, a pathophysiology that severely limits photosynthesis and degrades plant tissues by causing leaf dysfunction.

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