疫苗注射新型微生物剂在牛堆肥过程中对转换的影响:核心微生物和功能基因
Zhuangzhuang Liu1, Mukesh Kumar Awasthi2, Jinfeng Zhao1
1College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan 410128, PR China; Hunan Engineering Laboratory for Pollution Control and Waste Utilization in Swine Production, Changsha 410128, PR Chin.
Bioresource technology
|October 20, 2023
概括
一种新型微生物剂增强了堆肥的成熟和的保留. 这项研究发现,它可以显著减少氨和氧化排放,同时促进有益的微生物群落和代谢.
科学领域:
- 环境微生物学 环境微生物学
- 土壤科学 土壤科学
- 生物技术是生物技术.
背景情况:
- 在堆肥过程中的转化是复杂的,并受到微生物活动的影响.
- 了解微生物的影响对于优化堆肥过程和营养管理至关重要.
- 关于在牛堆肥中增强固的特定微生物剂的知识有限.
研究的目的:
- 研究一种含有耐热化细菌的新型微生物剂在牛堆肥过程中对转化的影响.
- 在接种疫苗后分析细菌社区结构和功能基因的变化.
- 评估该剂在减少氨 (NH3) 和氧化 (N2O) 排放方面的有效性.
主要方法:
- 用两个耐热化细菌识别和应用一种新型微生物剂.
- 牛的堆肥使用微生物接种.
- 测量总气,NH3和N2O排放量. 测量总气,NH3和N2O排放量. 测量总气,NH3和N2O排放量.
- 使用元基因组学分析细菌社区结构和功能基因.
主要成果:
- 接种剂显著提高了堆肥成熟度,并增加了13.6-26.8%的总.
- 氨 (NH3) 和氧化 (N2O) 的排放量分别减少了24.8-36.1%和22.7-32.1%.
- 微生物药物 (Acinetobacter radioresistens 和 Bacillus nitratireducens 在 1:1) 显示出最好的保存,增加了微生物多样性,并改变了功能基因丰度 (降低了nirS,norC,nap,nif;增加了hao).
结论:
- 这种新型微生物药物有效地提高了气保留率,并减少了牛堆肥过程中的气态气损失.
- 接种促进有益的微生物相互作用,并将功能基因配置文件转向增强化和抑制脱化.
- 这种微生物战略为可持续的堆肥和营养管理提供了一个有希望的方法.
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