Magnesium sulphate 0.0.0. 16 MgO + 32 SO3 is a high-efficiency water-soluble mineral fertilizer, used in agriculture mainly to prevent and correct magnesium and sulphur deficiencies in plants. Its formulation, made up of 16% water-soluble Magnesium Oxide (MgO) and 32% Sulphur Trioxide (SO3), ensures rapid absorption through both roots (fertigation) and leaves. It promotes energy production and carbohydrate transport within the plant, improving overall strength and root development.