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Straw-derived bio-organic fertilizer enhanced ecosystem multifunctionality in acidic paddy by improving microbial community composition and functional diversity.

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Title: Straw-derived bio-organic fertilizer enhanced ecosystem multifunctionality in acidic paddy by improving microbial community composition and functional diversity.
Authors: Rong, Feilong1,2 (AUTHOR), Lin, Yuanshan3 (AUTHOR), Zhang, Manyun1 (AUTHOR), Cai, Zhengwu1 (AUTHOR), Wu, Liqun4 (AUTHOR), Chen, Falin1 (AUTHOR) cfl224@163.com
Source: Journal of Environmental Management. Aug2025, Vol. 390, pN.PAG-N.PAG. 1p.
Subjects: Acid soils, Fertilizer application, Rice straw, Microbial communities, Agricultural wastes, Soil microbial ecology
Abstract: Agricultural waste has tremendous potential for resource utilization. To promote sustainable straw utilization, a novel bio-organic fertilizer (BOF) was produced by combining rice straw and Bacillus methylotrophicus (YH-158) that can produce alkaline xylanase to accelerate straw decomposition. Based on a one-year micro-plot experiment with chemical fertilization as the control, this study assessed the effects of BOF application gradients (4, 6, and 8 t ha−1) on EMF in acidic paddy soils through the quantification of 16 individual ecosystem functions, and explored the underlying mechanisms linking EMF to soil microbial communities. The results revealed a significant positive correlation between BOF application rates and EMF (R 2 = 0.734, P < 0.001). Compared to chemical fertilization alone, BOF treatments enhanced EMF by 68.16 %–93.44 %. BOF application increased soil pH and bacterial biomass, changed microbial community composition, and enhanced the intensity and Shannon's index of carbon metabolism. These indicators were significantly related to EMF, with carbon metabolism functional diversity (r = 0.826, P < 0.001) exhibiting the strongest relationship with EMF. Partial least squares path modeling showed that BOF improved EMF by altering microbial community composition (standardized coefficients = 0.468, P = 0.057) and functional diversity (standardized coefficients = 0.490, P < 0.05). Moreover, BOF promoted a shift toward a bacterial-dominated process through pH elevation. These findings suggested that straw-derived BOF application enhanced EMF by optimizing the composition and functional diversity of soil microbial communities. Specifically, high BOF inputs were more effective in enhancing EMF in acidic paddy fields. • Straw-derived bio-organic fertilizer enhanced agroecosystem multifunctionality. • Higher bio-organic fertilizer application rates had higher multifunctionality. • Multifunctionality was positively related to soil pH and bacterial biomass. • Microbial functional diversity was a key driver of multifunctionality. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Environmental Management is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
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  Data: Straw-derived bio-organic fertilizer enhanced ecosystem multifunctionality in acidic paddy by improving microbial community composition and functional diversity.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Rong%2C+Feilong%22&quot;&gt;Rong, Feilong&lt;/searchLink&gt;&lt;relatesTo&gt;1,2&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Lin%2C+Yuanshan%22&quot;&gt;Lin, Yuanshan&lt;/searchLink&gt;&lt;relatesTo&gt;3&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Zhang%2C+Manyun%22&quot;&gt;Zhang, Manyun&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Cai%2C+Zhengwu%22&quot;&gt;Cai, Zhengwu&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Wu%2C+Liqun%22&quot;&gt;Wu, Liqun&lt;/searchLink&gt;&lt;relatesTo&gt;4&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Chen%2C+Falin%22&quot;&gt;Chen, Falin&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;i&gt; cfl224@163.com&lt;/i&gt;
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Journal+of+Environmental+Management%22&quot;&gt;Journal of Environmental Management&lt;/searchLink&gt;. Aug2025, Vol. 390, pN.PAG-N.PAG. 1p.
– Name: Subject
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  Data: &lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Acid+soils%22&quot;&gt;Acid soils&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Fertilizer+application%22&quot;&gt;Fertilizer application&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Rice+straw%22&quot;&gt;Rice straw&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Microbial+communities%22&quot;&gt;Microbial communities&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Agricultural+wastes%22&quot;&gt;Agricultural wastes&lt;/searchLink&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22Soil+microbial+ecology%22&quot;&gt;Soil microbial ecology&lt;/searchLink&gt;
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Agricultural waste has tremendous potential for resource utilization. To promote sustainable straw utilization, a novel bio-organic fertilizer (BOF) was produced by combining rice straw and Bacillus methylotrophicus (YH-158) that can produce alkaline xylanase to accelerate straw decomposition. Based on a one-year micro-plot experiment with chemical fertilization as the control, this study assessed the effects of BOF application gradients (4, 6, and 8 t ha−1) on EMF in acidic paddy soils through the quantification of 16 individual ecosystem functions, and explored the underlying mechanisms linking EMF to soil microbial communities. The results revealed a significant positive correlation between BOF application rates and EMF (R 2 = 0.734, P &lt; 0.001). Compared to chemical fertilization alone, BOF treatments enhanced EMF by 68.16 %–93.44 %. BOF application increased soil pH and bacterial biomass, changed microbial community composition, and enhanced the intensity and Shannon&#39;s index of carbon metabolism. These indicators were significantly related to EMF, with carbon metabolism functional diversity (r = 0.826, P &lt; 0.001) exhibiting the strongest relationship with EMF. Partial least squares path modeling showed that BOF improved EMF by altering microbial community composition (standardized coefficients = 0.468, P = 0.057) and functional diversity (standardized coefficients = 0.490, P &lt; 0.05). Moreover, BOF promoted a shift toward a bacterial-dominated process through pH elevation. These findings suggested that straw-derived BOF application enhanced EMF by optimizing the composition and functional diversity of soil microbial communities. Specifically, high BOF inputs were more effective in enhancing EMF in acidic paddy fields. • Straw-derived bio-organic fertilizer enhanced agroecosystem multifunctionality. • Higher bio-organic fertilizer application rates had higher multifunctionality. • Multifunctionality was positively related to soil pH and bacterial biomass. • Microbial functional diversity was a key driver of multifunctionality. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: &lt;i&gt;Copyright of Journal of Environmental Management is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=186713707
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.jenvman.2025.126314
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Acid soils
        Type: general
      – SubjectFull: Fertilizer application
        Type: general
      – SubjectFull: Rice straw
        Type: general
      – SubjectFull: Microbial communities
        Type: general
      – SubjectFull: Agricultural wastes
        Type: general
      – SubjectFull: Soil microbial ecology
        Type: general
    Titles:
      – TitleFull: Straw-derived bio-organic fertilizer enhanced ecosystem multifunctionality in acidic paddy by improving microbial community composition and functional diversity.
        Type: main
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          Name:
            NameFull: Rong, Feilong
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            NameFull: Lin, Yuanshan
      – PersonEntity:
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            NameFull: Zhang, Manyun
      – PersonEntity:
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            NameFull: Cai, Zhengwu
      – PersonEntity:
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            NameFull: Wu, Liqun
      – PersonEntity:
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            NameFull: Chen, Falin
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            – D: 10
              M: 08
              Text: Aug2025
              Type: published
              Y: 2025
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              Value: 390
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            – TitleFull: Journal of Environmental Management
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