Soil organic carbon, carbon fractions, and microbial community under various organic amendments.
cbbL gene
Bacterial community
Biochar
Soil microecology
Soil organic carbon
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
25 Oct 2024
25 Oct 2024
Historique:
received:
23
04
2024
accepted:
08
10
2024
medline:
26
10
2024
pubmed:
26
10
2024
entrez:
25
10
2024
Statut:
epublish
Résumé
The impact of various organic amendments on soil organic carbon (SOC) have rarely been reported. To address this, a laboratory experiment was designed to scrutinize the effects of different amendments on soil carbon fractions, microbial communities, and the underlying interactive mechanisms. The experiment encompassed a no-amendment control (CK), as well as treatments with corn straw (CS), tobacco stalks (TS), and peanut shell biochar (PB). Over a 70-day incubation, the SOC in plots amended with CS, TS, and PB displayed significant boosts of 13.9%, 17.5%, and 44.8%, respectively, compared to the CK. For soil carbon fractions, amendments with PB, TS, and CS led to a dramatic rise in particulate organic carbon (POC) of 27.4%, 20.2%, and 105.7%, respectively, in contrast to the CK plots. Mantel analysis and structural Equation Modeling uncovered strong interrelationships among the cbbL, cbbM, Bacteroidota, TOC, and POC. Organic amendments enhance soil carbon fractions, modulating the microbial community by increasing Bacteroidetes abundance and suppressing Acidobacteria richness, thereby influencing the abundance of key carbon cycle genes such as cbbL and cbbM. These results suggest that the addition of peanut shell biochar significantly boosted TOC and key carbon fractions, enhancing carbon content and soil fertility.
Identifiants
pubmed: 39455690
doi: 10.1038/s41598-024-75771-w
pii: 10.1038/s41598-024-75771-w
doi:
Substances chimiques
Carbon
7440-44-0
Soil
0
Charcoal
16291-96-6
biochar
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
25431Subventions
Organisme : Key Project of China National Tobacco Corporation
ID : 110202102037
Informations de copyright
© 2024. The Author(s).
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