日本是工业发达的国家。但在农业生产中,仍十分重视有机肥料的应用。有机肥来源是家畜粪便、秸秆、城市垃圾等。利用特点是浓缩化和商品化。采用堆沤法、干燥法、粪便与锯末混合干燥、发酵处理等方法,通过市、町、村农协的有机肥料工厂加工,浓缩加工成颗粒肥料后卖给农家使用, Japan is a developed industrialized country. However, in agricultural production, the application of organic fertilizers is still very much valued. Sources of organic fertilizer is livestock excrement, straw, municipal waste and so on. Use is characterized by enrichment and commercialization. Heap method, drying method, mixed excrement and sawdust drying, fermentation and other methods through the city, town and village farmers organic fertilizer factory processing, concentrated into granules and fertilizer sold to farmers use,