Organic Seaweed liquid Fertilizer 100% organic and water soluble spraying or irrigation Cert:IMO ISO9001/1400 Seaweed extract liquid (seaweed fertilizer)Product feature: Black brown liquid, water solubleMain ingredient: Formulation I Alginic acid≥20g/L, organic matter≥100g/L, N≥5g/L, P2O5≥0.5g/L, K2O≥50g/L; much secondary element and microelements, cytokinin, betaine, vitamin, trehalase, amino ...