摘要
于2011年夏季对屠宰场羊废弃物堆肥过程中基本性质和微生物区系的动态变化规律进行了研究,同时探讨了添加不同微生物菌剂对废弃物堆肥进程的影响。结果表明:随着堆肥进程的推进,屠宰场羊废弃物堆肥温度先升高后降低,种子发芽指数和草籽灭活率一直呈增加趋势,大肠菌群的最可能数和蛔虫卵死亡率则呈下降趋势。堆肥pH值在快速升温阶段大幅度升高(平均上升了1.75),然后持平,最后略有降低(pH值平均为8.20)。在堆肥过程中,开始升温阶段3种微生物数量均有增加,但细菌增速最大,从平均2.42亿CFU.g-1增加到5.16亿CFU.g-1,放线菌和真菌缓慢增加;到快速升温阶段放线菌和真菌增幅变大,细菌数量急剧减少;真菌数量较放线菌数量变化缓慢。向堆肥中添加微生物菌剂可加快堆肥腐熟,缩短堆肥周期。添加微生物菌剂4(北京产)的堆肥各项指标变化相对较快,综合判定添加菌剂4的堆肥效果最佳。
The research was carried out in summer of 2011. The dynamic changes of basic properties and microbial community during the composting process of sheep slaughterhouse waste were investigated. And the effects of different mi- crobial agents that inoculated to the compost process were also discussed. The results showed that the temperature was in- creased at the beginning of the process and then decreased. The seed germination index and the vigor of weed seed had the increasing tendency, while the microbial biomass and eggs of insects had the decreasing tendency through the corn- posting process. The pH value increased faster in warming phase （ average by 1.75）, then leveled off, and decreased slightly to an average of 8.20 at last. Bacterium biomass increased fast from 2.42 x l0s to 5.16 x l0s CFU＂ g- 1 average- ly. Actinomycete and fungi increased slowly at the beginning of the process, then actinomycete and fungi increased sig- nificant at the beginning of the process, bacterium were decreased slump at the moment. The speed of change that fungi biomass were slowly than actinomycete. Inoculated microbial agents could raise the temperature of compost, speed up the rate of fermentation effectively. The results showed that agents of No. 4 were best among the microbial agents studied.
出处
《干旱地区农业研究》
CSCD
北大核心
2013年第1期152-156,187,共6页
Agricultural Research in the Arid Areas
基金
宁夏区科技攻关项目"屠宰场废弃物生物处理与利用关键技术研究"
关键词
屠宰场羊废弃物
微生物菌剂
堆肥
基本性质
微生物区系
sheep slaughterhouse waste
microbial agent
composting
basic properties
microbial community
