... Formulation I Alginic acid≥20g/L, organic matter≥100g/L, N≥5g/L, P2O5≥0.5g/L, K2O≥50g/L; much secondary element and ... 1.15Formulation IIAlginic acid≥20g/L, Organic matter≥90g/L, N≥1.5g/L, P2O5≥80g/L, K2O≥140g/L. pH: 6-8, ... apply 3~4 times in growing period. Dosage: 2.5-3.5 L/ha.Notes:1. Suggest apply in the morning or ... (P2O5)0.5g/L80g/LPotassium (K2O)50g/L140g/L Seaweed extract liquid fertilizer