... the effective number of viable cells ≥ 0.2 million / g, organic matter ≥ 30%, NPK ≥ 6%.Main purpose1, soil improvement, soil protection ... easily lead to soil compaction, the product is rich in organic matter, and a large number of breeding activity of ... root distribution, products rich in nutrients needed to grow vegetables, organic and inorganic complement each other, full of nutrients and promote ...