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在使用桃子生物炭的绵羊肥堆肥过程中,微生物动力学和留量

Hong Liu¹, Mukesh Kumar Awasthi¹, Zengqiang Zhang¹

¹College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, China.

Bioresource technology

|July 27, 2023

概括

桃子生物炭 (PSB) 和微生物剂 (EM) 有效地减少在羊 (SM) 堆肥过程中的损失. 结合EM和10%的PSB显著改善了的保存和有益的细菌动态.

科学领域:

环境科学环境科学
土壤科学土壤科学
微生物学微生物学

背景情况:

堆肥羊便 (SM) 对于废物管理和营养物质回收至关重要.
堆肥过程中的气损失降低了肥料价值,并导致温室气体排放.
研究生物炭和微生物剂,以提高堆肥效率.

研究的目的:

调查桃子生物炭 (PSB) 和微生物剂 (EM) 对节约的影响.
分析这些修正案在SM堆肥过程中对细菌群体动态的影响.
确定PSB和EM的最佳比率,以提高堆肥效果.

主要方法:

建立了六种堆肥处理方法:控制,单独使用EM和使用不同度的PSB (2.5%至10%).
量化了的损失 (氨和氧化排放) 和基尔达尔的总 (TKN).
使用高通量测序分析了细菌群体的组成.

主要成果:

修正案使氨排放量减少了6.12%32.88%,氧化排放量减少了10.96%19.76%.
在修改后的堆肥中,Kjeldahl的总含量增加了8.159.13g/kg.
细菌菌和动菌菌的丰度增加,与含量呈正相关,与氨呈负相关.

结论:

桃子生物炭 (PSB) 和微生物剂 (EM) 在羊堆肥过程中显著降低了损失.
结合EM和10%PSB证明了最有效的节约和改善细菌群体结构.
这些发现表明,PSB和EM是动物便可持续堆肥的有希望的修正案.

关键词:

细菌的动态细菌的动态生物炭是一种生物炭.微生物的代理人微生物的代理人节约气的方法是节约气.有机材料有机材料.

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