Ventilation and Oxygen Supply - Manure composting is an important factor in the lack of air and oxygen. Belt Conveyor, Cassava Starch Packaging Machine, Hot-Air Stove, Wet Granulation Process,Potash Fertilizer Granulator. Traditional livestock and poultry manure composting needs to be turned over and stacked for 1 to 3 months according to different waste organic materials. In addition to time-consuming, there are environmental problems such as odor, sewage, and space occupation. Therefore, in order to improve the shortcomings of the traditional composting method, it is necessary to use a fertilizer applicator for composting fermentation. The product will supply to all over the world, such as Europe, America, Australia,Mombasa, Kyrgyzstan,Bahamas, Bolivia.Fertilizer mixer machine