相关实验视频

Updated: Jan 15, 2026

Isolation and Analysis of Microbial Communities in Soil, Rhizosphere, and Roots in Perennial Grass Experiments

Isolation and Analysis of Microbial Communities in Soil, Rhizosphere, and Roots in Perennial Grass Experiments

Published on: July 24, 2018

有机肥料增加微生物群落的多样性和稳定性,减缓营养循环的转化过程

Xueli Chen¹, Xingzhu Ma¹, Zhuxiu Liu²

¹Heilongjiang Joint Laboratory of Soil Microbial Ecology, Heilongjiang Academy of Black Soil Conservation and Utilization, Heilongjiang Academy of Agricultural Sciences, Harbin, China.

Environmental microbiome

|October 15, 2025

概括

长期使用化学肥料可以提高土壤微生物的功能,促进营养循环,但会降低土壤的稳定性. 肥料修改增强了微生物的多样性和稳定性,为土壤管理提供了可持续的替代方案.

科学领域:

土壤科学土壤科学
微生物学微生物学
生态生态学生态生态学

背景情况:

土壤微生物对于营养循环至关重要.
对土壤微生物遗传学的长期受精影响尚不清楚,特别是在重要的黑色土壤中.
了解肥料对微生物群落的影响是可持续农业的关键.

研究的目的:

为了研究微生物组合,功能基因和黑色土壤中的社区变化,在不同的长期受精制度下.
解读化学肥料,肥料和综合处理对土壤微生物生态学的影响.
在各种施肥策略下,将土壤特性,微生物群落和营养循环联系起来.

主要方法:

在黑土中分析微生物社区结构和功能基因的分析.
44年来使用化学肥料 (CF),肥料 (M) 和综合性 (CFM) 处理.
使用结构方程建模 (SEM) 来确定土壤特性,微生物群落和营养循环之间的关系.

主要成果:

化学肥料 (CF) 增加了碳降解和化基因,加速了营养物质的转化.
肥料 (M) 和综合 (CFM) 处理增强了微生物的多样性和稳定性,减缓了营养物质的转化.
长期的CF将微生物组件从随机流程转移到决定性流程.
土壤的化学特性被确定为微生物社区多样性,组成和营养循环的关键驱动因素.

结论:

相反的受精策略在微生物功能和社区稳定性之间存在权衡.
将微生物指标整合到土地管理中对于可持续性至关重要.
这些发现有助于开发优化的肥料实践,以改善土壤健康和粮食安全.

关键词:

黑土是黑色的土壤在受精过程中,受精功能性基因是指功能性的基因.地质芯片 (GeoChip) 是一个高通量测序的高通量测序微生物社区的微生物社区.

更多相关视频

Author Spotlight: Enhancing Rhizobacteria Colonization on Plant Roots for Improved Microbial Fertilizer Efficiency

Author Spotlight: Enhancing Rhizobacteria Colonization on Plant Roots for Improved Microbial Fertilizer Efficiency

Published on: March 1, 2024

A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities

A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities

Published on: December 25, 2015

相关概念视频

Environmental Applications of Microorganisms

Environmental Applications of Microorganisms

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...

Microorganisms in Agriculture and Food industry

Microorganisms in Agriculture and Food industry

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...

Overview of Nitrogen Metabolism

Overview of Nitrogen Metabolism

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 Nitrogen Cycle

The Nitrogen Cycle

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...

The Soil Ecosystem

The Soil Ecosystem

Plants obtain inorganic minerals and water from the soil, which acts as a natural medium for land plants. The composition and quality of soil depend not only on the chemical constituents but also on the presence of living organisms. In general, soils contain three major components:

Metabolism of Chemolithotrophs

Metabolism of Chemolithotrophs

Chemolithotrophs are microorganisms that obtain energy by oxidizing inorganic molecules such as hydrogen gas (H₂), ammonia (NH₃), reduced sulfur compounds (H₂S, S²⁻), and ferrous iron (Fe²⁺). Unlike heterotrophic organisms that rely on organic carbon, chemolithotrophs transfer electrons from these inorganic donors to the electron transport chain (ETC), generating a proton motive force (PMF) that drives ATP synthesis through oxidative phosphorylation.