生物气泥的连续应用通过调节土壤碳池来提高累积使用效率
Sheng Wu1, Tingfeng Gao1, Chenxue Wu1
1Key Laboratory of Farmland Ecological Conservation and Pollution Prevention and Control in Anhui Province, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China.
Plants (Basel, Switzerland)
|January 10, 2026
概括
作为肥料补充剂的沼气泥显著增加了小麦的使用和土壤碳,其30%的替代比率证明是中国土壤健康和作物表现的最佳.
科学领域:
- 农业科学 农业科学
- 土壤科学 土壤科学
- 农业学是一种农业学.
背景情况:
- 优化肥料的使用对于可持续农业至关重要.
- 生物气泥为化学肥料提供了潜在的替代品.
- 了解其对土壤碳和效率的影响至关重要.
研究的目的:
- 为了确定化学肥料的理想生物气泥替代率.
- 评估对小麦累积使用效率 (CNUE) 的影响.
- 为了评估对石灰混凝土黑土中的土壤碳池的影响.
主要方法:
- 使用多种处理的实地研究:控制,仅使用化学肥料,优化化学肥料和15%,30%和50%的生物气泥替代.
- 衡量小麦CNUE,土壤溶解有机碳,有机碳颗粒物和碳池管理指数.
- 不同治疗组之间的比较分析.
主要成果:
- 30%的生物气泥替代 (ONL30%) 产生了最高的CNUE.
- 与传统化学肥料相比,所有测试的替代率 (15%,30%,50%) 都显著增加了CNUE.
- 土壤有机碳含量和碳池管理指数通过生物气泥的应用得到改善,特别是在30%的速度下.
结论:
- 取代30%的化学肥料用沼气泥是北安平原小麦种植的最佳方法.
- 这种替代增强了小麦的产量,质量,使用效率和土壤碳动态.
- 生物气泥的应用代表了对土壤肥力管理的可持续方法.
相关概念视频
Environmental Applications of Microorganisms
929
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...
929
Inorganic Nitrogen Assimilation
455
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...
455
Bioremediation
22.0K
Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
22.0K
Overview of Nitrogen Metabolism
11.0K
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...
11.0K


