Organic management improves soil P availability via increasing inorganic P solubilization in tea plantations
文献类型： 外文期刊
作者： Chang, Yunni 1 ; Wu, Zhidan 1 ; Penuelas, Josep 4 ; Sardans, Jordi 4 ; Chen, Yuzhen 1 ; Jiang, Fuying 1 ; Wang, Feng 1 ;
作者机构： 1.Fujian Acad Agr Sci, Tea Res Inst, Fuzhou 350013, Peoples R China
2.Natl Agr Expt Stn Soil Qual, Fuan 355015, Peoples R China
3.State Key Lab Tea Plant Biol & Utilizat, Fujian Branch, Fuzhou 350013, Peoples R China
4.CREAF, E-08193 Cerdanyola Del Valles, Catalonia, Spain
5.CREAF CSIC UAB, Global Ecol Unit, CSIC, E-08193 Cerdanyola Del Valles, Catalonia, Spain
关键词： Phosphorus availability; Soil microbial community; Functional gene; Tea plantation
期刊名称：ENVIRONMENTAL TECHNOLOGY & INNOVATION （ 影响因子：7.1； 五年影响因子：7.1 ）
ISSN： 2352-1864
年卷期： 2025 年 39 卷
页码：
收录情况： SCI
摘要： Organic management is a crucial practice for activating residual phosphorus (P) and enhancing its availability in soils, with microorganisms playing a central role in regulating P cycling. Despite this, the effects of long-term organic management on P availability via microbial functional traits remain insufficiently explored. This study evaluates the impact of chemical (industrial fertilizers) (CF) and organic fertilization (OF) over an extended period in tea plantations, also incorporating surrounding forestland (FD) for comparison. We analyzed soil properties, P fractions, microbial functional genes, and microbial communities involved in P cycling. Our findings demonstrated that CF and OF both significantly enhanced soil P availability and nutrient levels, with organic management showing a positive correlation with soil available P. Notably, OF significantly decreased the abundance of pstS, phnC, phnD and phnE compared to CF, suggesting the potentially inhibition of P uptake and transport system. Organic management significantly increased gene abundance of ppk1, ppx, aphA and glpA compared to CF, indicating the promotion of soil inorganic P solubilization and organic P mineralization. Different management did not significantly affected the functional genes relative abundance involved in P starvation response regulation. Organic management also markedly increased the abundance of Actinobacteria, Gemmatimonadetes and Chloroflexi, which were markedly positively related to soil available P. This study advances our understanding of the role of soil microbial functional genes and communities in enhancing P availability, elucidating the impacts of organic resources in subtropical tea plantations.
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