... g/L, I≥200ppm; much secondary element and microelements, cytokinin, betaine, vitamine, trehalase, amino acid.PH=8-10, specific gravity: 1.10-1 ... .15Formulation IIAlginic acid≥20 g/L, Organic matter≥90 g/L, N≥1.5 g/L, P2O5≥ 80 g/L, K2O≥140 ... g/LPH=5-8, specific gravity: 1.27-1.31Efficacy:Have ...