... fertigation, Liquid Seaweed Extract (Seaweed Fertilizer) [1.2. Alga-2008-I (seaweed extract liquid)] Product character ... ingredient: Formulation I (China patent no.: 03138729.2)Alginic acid≥ 20 g/L, organic matter≥100 g ... 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/ ...