... regulators including nitrogen, phosphate, potassium, calcium, magnesium, microelement (Cu, Fe, Zn, Mn, B), alginic acid, cytokinin, betaine, mannitol, polysaccharide, iodine and so ... (%) 1.5---3.08. K2O(%) ≥12--169. MICROELEMENT(Cu+Zn+Fe+B+Mo) ≥3.510. MANNITOL(%)≥1.811. POLYPHENOLS(%)≥0.212. PH ...