摘要
试验以羊粪为原料,采用好氧堆肥技术对内蒙古达茂旗和乌兰察布2个地区不同饲养方式(圈养和放养)产生的羊粪在腐熟过程中的温度、pH、含水量、种子发芽指数(GI)、C/N含量进行研究。试验结果表明:放养方式堆肥在第4天分别达到最高温56℃和55℃,且高温阶段(>50℃)持续时间达8 d。堆熟后,各处理堆肥的碳氮比(堆肥结束与初始C/N的比)均符合羊粪堆肥腐熟标准(C/N<20)。放养方式堆肥种子发芽指数在堆制20 d时已达60%以上,而圈养方式在24 d后才达到。综合分析得出,放养方式羊粪堆肥有利于羊粪堆肥的熟化、稳定性及质量的提高。
引文
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