Product character: Dark brown liquid, pH= 6-8, specific gravity: 1.15-1.20 Main ingredient: Seaweed extract: 200 g/L, organic matter: 50 g/L, N: 60 g/L, P205: 25 g/L, K20: 60 g/L, micro-element: 5 g/L. Efficacy: Promote crop's root system growth, inhibit deleterious bacilli in soil, increase crop root system's resistance to disease, boost up conservation ability of soil, increase seed's rate of ...