通过注射功能性细菌,通过添加不同的源来调节微生物网络和草堆肥中的关键品种,改善了化过程
Shijia Dong1, Yiyang Wei2, Qi Yu2
1Harbin University, Harbin 150086, China.
Bioresource technology
|November 18, 2023
概括
添加功能性细菌注射剂可提高草堆肥效果,因为它可以改善纤维素酸的降解并增加湿土的形成,特别是当与尿素结合使用时.
科学领域:
- 农业科学 农业科学
- 环境微生物学 环境微生物学
- 土壤科学 土壤科学
背景情况:
- 吸堆肥是废物管理和营养物质回收的关键过程.
- 了解堆肥过程中的微生物动力学和生物化学转变对于优化该过程至关重要.
- 红纤维素的降解和湿土的形成是堆肥效率的关键指标.
研究的目的:
- 研究一种功能性细菌注射剂和各种源对草堆肥的影响.
- 分析纤维素素,土前体和土形成之间的关系.
- 探索注射剂,源和细菌群落之间的相互作用.
主要方法:
- 使用不同源 (尿素,猪) 的草和功能性注射剂进行了堆肥实验.
- 量化了红纤维素的降解和湿土的形成.
- 生物信息学和网络分析被用来研究细菌社区结构和相互作用.
主要成果:
- 接种改善了堆肥加热过程和酸盐保留.
- 注射显著增加了红纤维素的降解 (26.9%-81.6%) 和湿土的形成 (15.7%-23.0%).
- 特定的细菌属 (Chryseolinea,Pusillimas,Luteimonas,Flavobacteria) 被丰富并与湿土形成有关.
- 接种和尿素增强了微生物协同作用;猪和接种剂显示了复杂的相互作用.
结论:
- 将功能性细菌注射剂与尿素结合起来,可以有效地增强草堆肥中纤维素酸的降解和化.
- 接种剂对微生物活动和社区结构产生积极影响,促进有效的堆肥.
- 这种方法为优化草堆肥提供了一个有希望的策略,特别是单一的源.
相关概念视频
01:20Overview of Nitrogen Metabolism
8.0K
Nitrogen is a very important element for life because it is a major constituent of proteins and nucleic acids. It is a macronutrient, and in nature, it is recycled from organic compounds and stored in the form of ammonia, ammonium ions, nitrate, nitrite, or nitrogen gas by many metabolic processes. Many of these metabolic processes are carried out only by prokaryotes.
The largest pool of nitrogen available in the terrestrial ecosystem is gaseous nitrogen (N2) from the air, but this...
The largest pool of nitrogen available in the terrestrial ecosystem is gaseous nitrogen (N2) from the air, but this...
8.0K
02:11The Roles of Bacteria and Fungi in Plant Nutrition
35.7K
Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
35.7K
01:30Environmental Applications of Microorganisms
28
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
28
01:22Inorganic Nitrogen Assimilation
22
Nitrogen is an essential element in biological systems, forming a crucial component of proteins, nucleic acids, and other cellular constituents. Many bacteria and archaea acquire nitrogen in the form of nitrate (NO₃⁻) or ammonia (NH₃), which are then assimilated into biomolecules through specific enzymatic pathways.Assimilatory Nitrate ReductionWhen nitrate enters the cell, it undergoes a two-step reduction process known as assimilatory nitrate reduction. Initially, the enzyme...
22
01:27Microorganisms in Agriculture and Food industry
43
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
43
01:49The Nitrogen Cycle
52.4K
Nitrogen atoms, present in all proteins and DNA, are recycled between abiotic and biotic components of the ecosystem. However, the primary form of nitrogen on Earth is nitrogen gas, which cannot be used by most animals and plants. Thus, nitrogen gas must first be converted into a usable form by nitrogen-fixing bacteria before it can be cycled through other living organisms. The use of nitrogen-containing fertilizers and animal waste products in human agriculture has greatly influenced the...
52.4K