The product contains Amino Acid≥100g/L, Microelements(Cu, Fe, Zn, Mn, B)≥30g/L, secondary elements(S, Ca, Mg)≥60g/L, NPK≥50g/L, Biochemical Fulvic Acid≥40g/L, pH4-5, insoluble... More
Shanghai Tongwei Biotechnology co.,ltd
Main Products: fulvic acid, humic acid, fertilizer, plant growth regulator... More