Microbial inoculants reshape structural distribution of complex components of humic acid based on spectroscopy during straw waste composting
[Display omitted] •Actinomycetes increased the degradation rate of straw compost by nearly 15%.•Actinomycetes promoted the transformation from fulvic acid to humic acid.•Actinomycetes reshape the compositional features of humic acid.•Structural distribution of humic acid is a key factor affecting hu...
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| Veröffentlicht in: | Bioresource technology 2022-09, Vol.359, p.127472-127472, Article 127472 |
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| container_title | Bioresource technology |
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| creator | Chen, Yufeng Zhao, Ran Jia, Liming Wang, Liqin Pan, Chaonan Zhang, Ruju Wei, Zimin |
| description | [Display omitted]
•Actinomycetes increased the degradation rate of straw compost by nearly 15%.•Actinomycetes promoted the transformation from fulvic acid to humic acid.•Actinomycetes reshape the compositional features of humic acid.•Structural distribution of humic acid is a key factor affecting humification.
This study aimed to explore the mechanism of actinomycetes inoculation to promote humification based on spectroscopy during straw waste composting. Results showed that inoculating actinomycetes could significantly increase the humification index and humification ratio, which were 2.53% and 21.79% respectively (P |
| doi_str_mv | 10.1016/j.biortech.2022.127472 |
| format | Article |
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•Actinomycetes increased the degradation rate of straw compost by nearly 15%.•Actinomycetes promoted the transformation from fulvic acid to humic acid.•Actinomycetes reshape the compositional features of humic acid.•Structural distribution of humic acid is a key factor affecting humification.
This study aimed to explore the mechanism of actinomycetes inoculation to promote humification based on spectroscopy during straw waste composting. Results showed that inoculating actinomycetes could significantly increase the humification index and humification ratio, which were 2.53% and 21.79% respectively (P < 0.05). A spectroscopic analysis suggested that actinomycetes promoted the relative content of complex components of humic acid and reshaped the structural distribution of two sub fluorescence peaks in it. Furthermore, variance partitioning analysis demonstrated that compared with the intensity, the high-quality uniform distribution of fluorescence peaks had a greater contribution to the improvement of humification. In addition, structural equation model further verified that actinomycetes inoculation promoted the transformation of fulvic acid to humic acid, and then promoted the formation of humic acid. Therefore, actinomycetes inoculation can promote the humification of straw compost by reshaping the complex components of humic acid.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2022.127472</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Actinobacteria ; Actinomycetes inoculation ; Composting ; composts ; fluorescence ; fulvic acids ; humic acids ; Humic-like substances ; humification ; Parallel factor analysis ; spectral analysis ; spectroscopy ; straw ; Straw waste treatment ; structural equation modeling ; technology ; variance</subject><ispartof>Bioresource technology, 2022-09, Vol.359, p.127472-127472, Article 127472</ispartof><rights>2022 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c378t-25b4d0197d7fa075ef44f8689e8dfc0cf36af8897b0a2c2614d5e6a580385ff43</citedby><cites>FETCH-LOGICAL-c378t-25b4d0197d7fa075ef44f8689e8dfc0cf36af8897b0a2c2614d5e6a580385ff43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.biortech.2022.127472$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids></links><search><creatorcontrib>Chen, Yufeng</creatorcontrib><creatorcontrib>Zhao, Ran</creatorcontrib><creatorcontrib>Jia, Liming</creatorcontrib><creatorcontrib>Wang, Liqin</creatorcontrib><creatorcontrib>Pan, Chaonan</creatorcontrib><creatorcontrib>Zhang, Ruju</creatorcontrib><creatorcontrib>Wei, Zimin</creatorcontrib><title>Microbial inoculants reshape structural distribution of complex components of humic acid based on spectroscopy during straw waste composting</title><title>Bioresource technology</title><description>[Display omitted]
•Actinomycetes increased the degradation rate of straw compost by nearly 15%.•Actinomycetes promoted the transformation from fulvic acid to humic acid.•Actinomycetes reshape the compositional features of humic acid.•Structural distribution of humic acid is a key factor affecting humification.
This study aimed to explore the mechanism of actinomycetes inoculation to promote humification based on spectroscopy during straw waste composting. Results showed that inoculating actinomycetes could significantly increase the humification index and humification ratio, which were 2.53% and 21.79% respectively (P < 0.05). A spectroscopic analysis suggested that actinomycetes promoted the relative content of complex components of humic acid and reshaped the structural distribution of two sub fluorescence peaks in it. Furthermore, variance partitioning analysis demonstrated that compared with the intensity, the high-quality uniform distribution of fluorescence peaks had a greater contribution to the improvement of humification. In addition, structural equation model further verified that actinomycetes inoculation promoted the transformation of fulvic acid to humic acid, and then promoted the formation of humic acid. Therefore, actinomycetes inoculation can promote the humification of straw compost by reshaping the complex components of humic acid.</description><subject>Actinobacteria</subject><subject>Actinomycetes inoculation</subject><subject>Composting</subject><subject>composts</subject><subject>fluorescence</subject><subject>fulvic acids</subject><subject>humic acids</subject><subject>Humic-like substances</subject><subject>humification</subject><subject>Parallel factor analysis</subject><subject>spectral analysis</subject><subject>spectroscopy</subject><subject>straw</subject><subject>Straw waste treatment</subject><subject>structural equation modeling</subject><subject>technology</subject><subject>variance</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqFUU1v1DAUtBBILKV_AfnIJVvbSWznBqr4klr1AmfLsZ9Zr7Jx8HMo_Q_90XgbOPc0evNmRnpvCHnH2Z4zLq-O-zGmXMAd9oIJsedCdUq8IDuuVduIQcmXZMcGyRrdi-41eYN4ZIy1XIkdebyNLqcx2onGObl1snNBmgEPdgGKJa-urLlufaxDHNcS00xToC6dlgn-PGGa4eyq7GE9RUeti56OFsHTKsYFXMkJXVoeqF9znH-eg-09vbdYYEvAUum35FWwE8LlP7wgPz5_-n79tbm5-_Lt-uNN41qlSyP6sfOMD8qrYJnqIXRd0FIPoH1wzIVW2qD1oEZmhROSd74HaXvNWt2H0LUX5P2Wu-T0awUs5hTRwVSPh7SiEYpr0atBy-elUumuZYr3VSo3aX0oYoZglhxPNj8Yzsy5KXM0_5sy56bM1lQ1ftiMUG_-HSEbdBFmBz7m-jrjU3wu4i8_5KQr</recordid><startdate>202209</startdate><enddate>202209</enddate><creator>Chen, Yufeng</creator><creator>Zhao, Ran</creator><creator>Jia, Liming</creator><creator>Wang, Liqin</creator><creator>Pan, Chaonan</creator><creator>Zhang, Ruju</creator><creator>Wei, Zimin</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>202209</creationdate><title>Microbial inoculants reshape structural distribution of complex components of humic acid based on spectroscopy during straw waste composting</title><author>Chen, Yufeng ; Zhao, Ran ; Jia, Liming ; Wang, Liqin ; Pan, Chaonan ; Zhang, Ruju ; Wei, Zimin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c378t-25b4d0197d7fa075ef44f8689e8dfc0cf36af8897b0a2c2614d5e6a580385ff43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Actinobacteria</topic><topic>Actinomycetes inoculation</topic><topic>Composting</topic><topic>composts</topic><topic>fluorescence</topic><topic>fulvic acids</topic><topic>humic acids</topic><topic>Humic-like substances</topic><topic>humification</topic><topic>Parallel factor analysis</topic><topic>spectral analysis</topic><topic>spectroscopy</topic><topic>straw</topic><topic>Straw waste treatment</topic><topic>structural equation modeling</topic><topic>technology</topic><topic>variance</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Yufeng</creatorcontrib><creatorcontrib>Zhao, Ran</creatorcontrib><creatorcontrib>Jia, Liming</creatorcontrib><creatorcontrib>Wang, Liqin</creatorcontrib><creatorcontrib>Pan, Chaonan</creatorcontrib><creatorcontrib>Zhang, Ruju</creatorcontrib><creatorcontrib>Wei, Zimin</creatorcontrib><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Yufeng</au><au>Zhao, Ran</au><au>Jia, Liming</au><au>Wang, Liqin</au><au>Pan, Chaonan</au><au>Zhang, Ruju</au><au>Wei, Zimin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microbial inoculants reshape structural distribution of complex components of humic acid based on spectroscopy during straw waste composting</atitle><jtitle>Bioresource technology</jtitle><date>2022-09</date><risdate>2022</risdate><volume>359</volume><spage>127472</spage><epage>127472</epage><pages>127472-127472</pages><artnum>127472</artnum><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>[Display omitted]
•Actinomycetes increased the degradation rate of straw compost by nearly 15%.•Actinomycetes promoted the transformation from fulvic acid to humic acid.•Actinomycetes reshape the compositional features of humic acid.•Structural distribution of humic acid is a key factor affecting humification.
This study aimed to explore the mechanism of actinomycetes inoculation to promote humification based on spectroscopy during straw waste composting. Results showed that inoculating actinomycetes could significantly increase the humification index and humification ratio, which were 2.53% and 21.79% respectively (P < 0.05). A spectroscopic analysis suggested that actinomycetes promoted the relative content of complex components of humic acid and reshaped the structural distribution of two sub fluorescence peaks in it. Furthermore, variance partitioning analysis demonstrated that compared with the intensity, the high-quality uniform distribution of fluorescence peaks had a greater contribution to the improvement of humification. In addition, structural equation model further verified that actinomycetes inoculation promoted the transformation of fulvic acid to humic acid, and then promoted the formation of humic acid. Therefore, actinomycetes inoculation can promote the humification of straw compost by reshaping the complex components of humic acid.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.biortech.2022.127472</doi><tpages>1</tpages></addata></record> |
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| subjects | Actinobacteria Actinomycetes inoculation Composting composts fluorescence fulvic acids humic acids Humic-like substances humification Parallel factor analysis spectral analysis spectroscopy straw Straw waste treatment structural equation modeling technology variance |
| title | Microbial inoculants reshape structural distribution of complex components of humic acid based on spectroscopy during straw waste composting |
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