牛粪有氧生物发酵及主要影响因素试验研究
Study on Aerobic Biological Fermentation of Cattle Manure and Itsmain Influencing Factors
何茂昌 1杨军祥 1郭海龙 1罗琰 1高博 1王燕燕 1石福岳 1尚涛 2李斐2
作者信息
- 1. 甘肃省畜牧兽医研究所,甘肃 平凉,744000
- 2. 崇信县畜牧兽医中心,甘肃 崇信,744200
- 折叠
摘要
测定不同方式牛粪有氧生物发酵的发酵效果,分析主要影响因素.结果:平均环境温度＞16℃时,试验Ⅰ组的发酵升温速度最快,发酵温度极显著(P＜0.01)或显著(P＜0.05)高于其他各组,发酵高温维持时间最长(50℃以上9 d、60℃以上7d);试验Ⅱ组的发酵升温速度次之,发酵温度极显著(P＜0.01)或显著(P＜0.05)高于试验Ⅲ组和对照组,发酵高温维持时间(50℃以上8d)大于试验Ⅲ组(50℃以上3d)和对照组(＜30℃).平均环境温度≤10℃时,各组升温速度及发酵温度差异均不显著(P＞0.05).结论:动态方式效果最优,静态方式次之,自然堆肥最差.添加有机物料腐熟剂能加快生物发酵效能,环境温度、供氧、含水率为牛粪堆肥生物发酵的重要影响因素."水分调节预处理+堆垛静态自然通风"比自然堆肥能显著加快牛粪升温速度并维持较长时间的高温发酵.
Abstract
Measure the fermentation efficiency of aerobic biological fermentation of cattle manure using differ-ence method and analyze the main influencing factors.Results:When the average ambient temperature was above 16℃,the fermentation heating rate of experimental group I was the fastest,the fermentation temperature was ex-tremely(P＜0.01)or significantly(P＜0.05)higher than that in other groups.The high temperature mainte-nance time fermentation was the longest(above 50 ℃ for 9 days and above 60 ℃ for 7 days).The fermentation heating rate of Experiment Group Ⅱ was second,and the fermentation temperature was dramatic significantly higher(P＜0.01)or significantly(P＜0.05)than that of test groupⅢand control group The fermentation high tempera-ture maintenance time(above 50 ℃ for 8 days)was longer than that of test groupⅢ(above 50 ℃ for 3 days)and control group(＜30℃).When the average ambient temperature was less than 10℃,there were no significant differences in the heating rate and fermentation temperature among all groups(P＞0.05).Conclusion:Dynamic composting had the best effect,followed by static composting,and natural composting had the worst effect.Adding organic material decomposing agent could accelerate the efficiency of biological fermentation,and the environmental temperature,oxygen supply and moisture content were the important factors affecting the biological fermentation of cattle manure compost.Compared with natural composting,"water conditioning pretreatment+statically natural ventilation"could significantly accelerate the heating rate of cattle manure and maintain a longer time of high tem-perature fermentation.
关键词
牛粪/堆垛/环境温度/生物发酵Key words
cattle manure/stacking/ambient temperature/biological fermentation引用本文复制引用
出版年
2024
国家科技期刊平台
NSTL
万方数据