... fertigation, or added to other fertilizers 1.3 Seaweed extract liquid plus Product character: Black brown liquidMain ingredient:Formulation I ... P2O5:40 g/L, K2O:50 g/L, Seaweed extract≥150 g/L, Amino acid≥10 g/LFormulation II: ... P2O5:40 g/L, K2O:150 g/L, Seaweed extract≥150 g/L, Amino acid≥10 g/LFormulation III: ... P2O5:80 g/L, K2O:80 g/L, Seaweed extract≥150 g/L, Amino acid≥10 g/LEfficacy: Compatible ...