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Biochar regulates the soil bacterial community structure to affect phosphorus availability
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Yang JIAO1, Ying LI1, Jianqin ZHU1, Jing LI1, Lina SUN1, Di ZHANG1, 2, Yimeng LI1, Jihua WANG1, *
Acta Microbiologica Sinica | 2025, 65(8) : 3365 - 3382
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Acta Microbiologica Sinica | 2025, 65(8): 3365-3382
• Microbiome in Black Soils •
Biochar regulates the soil bacterial community structure to affect phosphorus availability
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Yang JIAO1, Ying LI1, Jianqin ZHU1, Jing LI1, Lina SUN1, Di ZHANG1, 2, Yimeng LI1, Jihua WANG1, *
Affiliations
  • 1.College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang, China
  • 2.Heilongjiang Agricultural Economy Vocational College, Mudanjiang, Heilongjiang, China
Published: 2025-08-04 doi: 10.13343/j.cnki.wsxb.20250161
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[Objective] To explore the mechanism by which biochar alters the soil bacterial community structure and thereby affects the availability of soil phosphorus. [Methods] This study employed metagenomic techniques to investigate the soil bacterial communities and microbial functional genes involved in the phosphorus cycle after the application of biochar at different doses (CK: 0 kg/hm2, T1: 300 kg/hm2, T2: 600 kg/hm2, and T3: 900 kg/hm2). [Results] The application of biochar significantly increased inorganic phosphorus, microbial biomass phosphorus, and alkaline phosphatase activity, which showed the increases of 21.75%, 699.39%, and 34.00%, respectively, under T2 treatment. Furthermore, the application of biochar changed the diversity and richness of soil microorganisms, especially bacteria, mainly enriching Actinobacteriota, Acidobacteria, Chloroflexota, Thermoproteota, Gemmatimonadota, Nocardioides, and Sphingobium. Soil pH, water content, organic matter, inorganic phosphorus, microbial biomass phosphorus, and available phosphorus were important factors influencing soil microbial communities. In addition, biochar significantly increased the abundance of the organic phosphorus mineralization-associated gene phoD, T2 increased by 9.28% compared with CK, and the abundance of phoD was significantly affected by total phosphorus, available phosphorus, and microbial biomass phosphorus content in the soil. [Conclusion] The application of biochar can enhance phosphorus availability by regulating soil bacterial community structure. The findings provide a theoretical basis for the application of biochar in improving phosphorus availability in farmland soil.

application of biochar  /  soil bacterial community structure  /  phosphorus availability  /  mechanism
Yang JIAO, Ying LI, Jianqin ZHU, Jing LI, Lina SUN, Di ZHANG, Yimeng LI, Jihua WANG. Biochar regulates the soil bacterial community structure to affect phosphorus availability[J]. Acta Microbiologica Sinica, 2025 , 65 (8) : 3365 -3382 . DOI: 10.13343/j.cnki.wsxb.20250161
Funding
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  • Project of Basic Scientific Research Business Expenses for Higher Education Institutions in Heilongjiang Province(2021-KYYWF-0172)
  • A New Round of Heilongjiang Province “Double First-class” Discipline Collaborative Innovation Achievement Project(LJGXCG2024-P30)
Appendix
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Year 2025 volume 65 Issue 8
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181
61
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Article Info
doi: 10.13343/j.cnki.wsxb.20250161
  • Receive Date：2025-02-28
  • Online Date：2026-02-06
  • Published：2025-08-04
Article Data
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History
  • Received：2025-02-28
  • Accepted：2025-06-28
Funding
Project of Basic Scientific Research Business Expenses for Higher Education Institutions in Heilongjiang Province(2021-KYYWF-0172)
A New Round of Heilongjiang Province “Double First-class” Discipline Collaborative Innovation Achievement Project(LJGXCG2024-P30)
Affiliations
    1.College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang, China
    2.Heilongjiang Agricultural Economy Vocational College, Mudanjiang, Heilongjiang, China

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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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