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Drainage for decreasing salt affects the soil properties and microbial community diversity in coastal saline-alkali land
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Yu CHENG1, Ting BAI2, Jian HU1, Jinwei YANG1, Qiang LIU1, Yun GE1, Xin XIAO2, Zhilin ZHOU3, Huan HE2, *
Acta Microbiologica Sinica | 2025, 65(6) : 2479 - 2498
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Acta Microbiologica Sinica | 2025, 65(6): 2479-2498
• Research Article •
Drainage for decreasing salt affects the soil properties and microbial community diversity in coastal saline-alkali land
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Yu CHENG1, Ting BAI2, Jian HU1, Jinwei YANG1, Qiang LIU1, Yun GE1, Xin XIAO2, Zhilin ZHOU3, Huan HE2, *
Affiliations
  • 1.Coastal Saline-alkali Land Ecological Rehabilitation and Sustainable Utilization Technology Innovation Center, Ministry of Natural Resources, Marine Geological Survey of Jiangsu Province, Nanjing, Jiangsu, China
  • 2.Key Laboratory of Coal Processing and Clean Utilization, Ministry of Education, School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou, Jiangsu, China
  • 3.Xuzhou Academy of Agricultural Sciences, Xuzhou, Jiangsu, China
Published: 2025-06-04 doi: 10.13343/j.cnki.wsxb.20240826
Outline
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[Objective] To study the effects of drainage on the soil properties and microbial community characteristics in coastal saline-alkali land. [Methods] Soil samples were collected before and after drainage for decreasing salt from the coastal saline-alkali land in Nantong, Jiangsu. The soil pH, nutrient elements (nitrogen, phosphorus, and potassium), enzyme activity, and microbial community structure were analyzed by soil physical and chemical property characterization and high-throughput sequencing. Bioinformatic analysis was conducted to study the correlations between microbial community structure characteristics and soil physical and chemical properties and the possible anaerobic metabolic process. [Results] Drainage for decreasing salt significantly reduced the soil pH and electrical conductivity (EC), while causing the losses of nutrients in the soil to a certain extent. After drainage, the activities of sucrase and peroxidase and the richness and diversity of fungi in the soil increased to a certain extent, while the richness and diversity of bacteria and archaea decreased. Principal component analysis showed that microbial community structure had significantly positive correlations with soil EC and potassium content, while it had significantly negative correlations with catalase and sucrase activities in the soil. Redundancy analysis and functional prediction showed that fungi and archaea were significantly correlated with EC, while archaea may change the community structure by adapting to salinity. [Conclusion] Drainage for decreasing salt reduced the salinity and pH in the soil, which affected the soil properties and microbial community structure.

saline-alkali land  /  soil improvement  /  drainage for decreasing salt  /  microbial community  /  soil enzyme activity
Yu CHENG, Ting BAI, Jian HU, Jinwei YANG, Qiang LIU, Yun GE, Xin XIAO, Zhilin ZHOU, Huan HE. Drainage for decreasing salt affects the soil properties and microbial community diversity in coastal saline-alkali land[J]. Acta Microbiologica Sinica, 2025 , 65 (6) : 2479 -2498 . DOI: 10.13343/j.cnki.wsxb.20240826
Funding
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  • National Key Research and Development Program of China(2023YFF1306003)
  • Pilot Project of Mine-land Integration in Jiangsu Province in 2023(Sucai Zihuan [2023] No.29)
Appendix
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Year 2025 volume 65 Issue 6
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123
52
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Article Info
doi: 10.13343/j.cnki.wsxb.20240826
  • Receive Date：2024-12-19
  • Online Date：2026-02-07
  • Published：2025-06-04
Article Data
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History
  • Received：2024-12-19
  • Accepted：2025-02-11
Funding
National Key Research and Development Program of China(2023YFF1306003)
Pilot Project of Mine-land Integration in Jiangsu Province in 2023(Sucai Zihuan [2023] No.29)
Affiliations
    1.Coastal Saline-alkali Land Ecological Rehabilitation and Sustainable Utilization Technology Innovation Center, Ministry of Natural Resources, Marine Geological Survey of Jiangsu Province, Nanjing, Jiangsu, China
    2.Key Laboratory of Coal Processing and Clean Utilization, Ministry of Education, School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou, Jiangsu, China
    3.Xuzhou Academy of Agricultural Sciences, Xuzhou, Jiangsu, 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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