... and plant growth regulators including nitrogen, phosphate, potassium, calcium, magnesium, microelement (Cu, Fe, Zn, Mn, B), alginic acid, cytokinin, betaine, mannitol ... --3.07. P2O5(%) 1.5---3.08. K2O(%) ≥12--169. MICROELEMENT(Cu+Zn+Fe+B+Mo) ≥3.510. MANNITOL(%)≥1.811 ...