... root fertilizer:Main ingredient:alginic acid≥20g/L,amino acid≥100g/L,N+P2O5 +K2O≥150g/L ,Cu+Fe+Mn+Zn+Mo+B ≥20g ... /L Product character:Brown or black,liquid,fragrant,100 ... , the product contains necessary nutriment for crops growth, such as N, P, K and alginic acid, which can absorbs quickly by ...