compostn.混合肥料；堆肥v.使成堆肥Composting of residual sludge污泥制肥Compost fertilizes the soil.堆肥使土地肥沃compostive frequency of component部件组字频度Composting microeclogial modulator堆肥微生态调节剂compost with industrialized technology工厂化堆肥Composting of Different Stalks Substrates不同秸秆基质的腐熟compost is not necessarily pathogen-free堆肥并不一定需要无病原微生物。COMPOSTING OF DOMESTICREFUSEAND SEWAGE SLUDGE污泥与城市垃圾混合堆肥技术Compost is not necessarily pathogen-free.堆肥并不一定需要无病原微生物。