... : China Port: Qingdao Biological Organic Fertilizers BIO-GAIN TM Biology + Technology = Harvest INTRODUCTIONThe organic fertilizer chooses livestock dejection, crops ... , adopting high and new technology. Compared with other fertilizers effect, this product, a natural fertilizer, has five ... life.2. Decompose the low absorbable organic compounds, supplement soil organic matter, and adjust the soil PH ...