Ventilation is one of the most important parameters affecting composting process. In this study, the effects of ventilation on nitrogen transformation and loss and nir K gene diversity and abundance during composting process were examined. Three treatments, CK:0 L·min-1·kg-1(Static compost), TF1:0.05 L·min-1·kg-1(Microaerobic compost)and TF4:0.2 L·min-1·kg-1(Aerobic compost), were designed.The content of ammonium-nitrogen, nitrate nitrogen, and total nitrogen during different periods were measured. The abun...
图1堆肥装置Figure 1 Construction for manure composting(a)空气检测器与阀门;(b)保温板;(c)发酵室;(d)空气孔筛;(e)流量计;(f)空气压缩机;(g)隔栏0.6 m0.7m0.6mabgcdef根据环境保护部和国土资源部2014年公布的《全国土壤污染状况调查公报》,农业已超过工业成为中国最大面源?
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