Thanks to the presence of the active iron, which is able tocatalyse the physiological and bio–chemical processes such as the formation of the chlorophyll, the chlorophyll photosynthesis, and the metabolism of carbohydrates, the plants treated with S6 Plus are greener, more vital and productive. The modern formulation, made of micro granules, shows several practical advantages, which can be summarized in a quick solubility capacity and improved distribution homogeneity.