... effective number of viable cells ≥ 0.2 million / g, organic matter ≥ 20%, NPK ≥ 25%.2.6% bio-organic fertilizer: the ... soil improvement, soil fertility: This product is rich in organic matter and humic acid, can improve soil structure, governance, soil ... strong microbial activities of enzymes and organic matter into the soil colloids, the use of inorganic fertilizers, pesticides, herbicides and other ...