Arbuscular mycorrhiza fungi and related soil microbial activity drive carbon mineralization in the maize rhizosphere.
Identifieur interne : 000659 ( Main/Exploration ); précédent : 000658; suivant : 000660Arbuscular mycorrhiza fungi and related soil microbial activity drive carbon mineralization in the maize rhizosphere.
Auteurs : Hongwen Xu [République populaire de Chine] ; Hongbo Shao [République populaire de Chine] ; Yan Lu [République populaire de Chine]Source :
- Ecotoxicology and environmental safety [ 1090-2414 ] ; 2019.
Descripteurs français
- KwdFr :
- MESH :
- composition chimique : Sol.
- croissance et développement : Glomeromycota, Mycorhizes, Zea mays.
- métabolisme : Carbone, Zea mays.
- Biomasse, Microbiologie du sol, Rhizosphère.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Soil.
- chemical , metabolism : Carbon.
- growth & development : Glomeromycota, Mycorrhizae, Zea mays.
- metabolism : Zea mays.
- Biomass, Rhizosphere, Soil Microbiology.
Abstract
This research is aimed to investigate the effect of arbuscular mycorrhiza (AM) fungi on soil microbial activity and carbon mineralization in the maize rhizosphere under potted condition. Glomus etunicatum was used for our experiment. Results showed that AM symbiosis increased the levels of microorganism in the maize rhizosphere soil, and enhanced activity of soil microbial enzymes. After inoculating AM fungi, the contents of dissolved organic carbon (DOC), microbial biomass carbon (MBC) and readily oxidizable carbon (ROC) in the rhizosphere soil of maize increased with varying degrees. We obtained strong evidence that higher contents of MBC, DOC, ROC, superior number of microbes and stronger soil enzyme activities could be responsible for the higher rate of carbon mineralization in AM fungi treatment. AM fungi inoculation was confirmed to be effective to improve the soil quality for larger-scale ecoengineering.
DOI: 10.1016/j.ecoenv.2019.109476
PubMed: 31352211
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<author><name sortKey="Shao, Hongbo" sort="Shao, Hongbo" uniqKey="Shao H" first="Hongbo" last="Shao">Hongbo Shao</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass (MeSH)</term>
<term>Carbon (metabolism)</term>
<term>Glomeromycota (growth & development)</term>
<term>Mycorrhizae (growth & development)</term>
<term>Rhizosphere (MeSH)</term>
<term>Soil (chemistry)</term>
<term>Soil Microbiology (MeSH)</term>
<term>Zea mays (growth & development)</term>
<term>Zea mays (metabolism)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Biomasse (MeSH)</term>
<term>Carbone (métabolisme)</term>
<term>Glomeromycota (croissance et développement)</term>
<term>Microbiologie du sol (MeSH)</term>
<term>Mycorhizes (croissance et développement)</term>
<term>Rhizosphère (MeSH)</term>
<term>Sol (composition chimique)</term>
<term>Zea mays (croissance et développement)</term>
<term>Zea mays (métabolisme)</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term>
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<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Sol</term>
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<term>Zea mays</term>
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<term>Mycorrhizae</term>
<term>Zea mays</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Zea mays</term>
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<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Carbone</term>
<term>Zea mays</term>
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<keywords scheme="MESH" xml:lang="en"><term>Biomass</term>
<term>Rhizosphere</term>
<term>Soil Microbiology</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Biomasse</term>
<term>Microbiologie du sol</term>
<term>Rhizosphère</term>
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<front><div type="abstract" xml:lang="en">This research is aimed to investigate the effect of arbuscular mycorrhiza (AM) fungi on soil microbial activity and carbon mineralization in the maize rhizosphere under potted condition. Glomus etunicatum was used for our experiment. Results showed that AM symbiosis increased the levels of microorganism in the maize rhizosphere soil, and enhanced activity of soil microbial enzymes. After inoculating AM fungi, the contents of dissolved organic carbon (DOC), microbial biomass carbon (MBC) and readily oxidizable carbon (ROC) in the rhizosphere soil of maize increased with varying degrees. We obtained strong evidence that higher contents of MBC, DOC, ROC, superior number of microbes and stronger soil enzyme activities could be responsible for the higher rate of carbon mineralization in AM fungi treatment. AM fungi inoculation was confirmed to be effective to improve the soil quality for larger-scale ecoengineering.</div>
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<Abstract><AbstractText>This research is aimed to investigate the effect of arbuscular mycorrhiza (AM) fungi on soil microbial activity and carbon mineralization in the maize rhizosphere under potted condition. Glomus etunicatum was used for our experiment. Results showed that AM symbiosis increased the levels of microorganism in the maize rhizosphere soil, and enhanced activity of soil microbial enzymes. After inoculating AM fungi, the contents of dissolved organic carbon (DOC), microbial biomass carbon (MBC) and readily oxidizable carbon (ROC) in the rhizosphere soil of maize increased with varying degrees. We obtained strong evidence that higher contents of MBC, DOC, ROC, superior number of microbes and stronger soil enzyme activities could be responsible for the higher rate of carbon mineralization in AM fungi treatment. AM fungi inoculation was confirmed to be effective to improve the soil quality for larger-scale ecoengineering.</AbstractText>
<CopyrightInformation>Copyright © 2019 Elsevier Inc. All rights reserved.</CopyrightInformation>
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