传统有机肥加工方法是将畜禽粪便收集，人工进行堆沤；70年代，意大利等国研究并应用烘干法处理鸡粪，80年代末我国引进该方法；近年来，各国研究用高新技术处理畜粪便加工有机肥，美国、芬兰、日本等先后研制出生物发酵法。北京市土肥工作站在复合菌剂研究和肥料试验基础上， In the 1970s, Italy and other countries studied and applied the drying method to deal with chicken manure and introduced it in the late 1980s. In recent years, various countries have studied the use of high and new technology to deal with manure, Animal manure processing organic fertilizer, the United States, Finland, Japan and other biological fermentation method has been developed. Soil and Fertilizer Workstation in Beijing on the basis of research on compound bacteria agents and fertilizer tests,