MYSTER ZOLFO 4 is a product that nourishes plants in a balanced and constant way over time thanks to the valuable raw materials of which it is composed, carefully selected and characterised by different mineralisation rates. Thanks to this, the product: feeds the plant in a balanced and constant way over time, phytostimulates plant metabolism and improves the chemical, physical and biological characteristics of the soil. MYSTER ZOLFO 4 is a biologically active product thanks to the exclusive microbial technology, which enriches it with exclusive siderophore bacteria. The result of the synergy of its different components is a product that improves root development and uptake, acidifying and desalinating the circulating solution.