... secondary element and microelements, cytokinin, betaine, vitamin, trehalase, amino acid. pH: 7-9, specific gravity: 1.10-1.15Formulation IIAlginic acid ... , N≥1.5g/L, P2O5≥80g/L, K2O≥140g/L. pH: 6-8, specific gravity: 1.25-1.28 Efficacy: Have double ...