Artificial humic substances improve microbial activity for binding CO
Geomicrobiology
agricultural science
chemistry
microbiology
surface chemistry
Journal
iScience
ISSN: 2589-0042
Titre abrégé: iScience
Pays: United States
ID NLM: 101724038
Informations de publication
Date de publication:
25 Jun 2021
25 Jun 2021
Historique:
received:
08
01
2021
revised:
21
03
2021
accepted:
20
05
2021
entrez:
1
9
2021
pubmed:
2
9
2021
medline:
2
9
2021
Statut:
epublish
Résumé
Humic substances (HS) are an indicator of fertile soils, but more and more soils keep losing there humic matter. This is mostly due to anthropogenic over-cultivation. Artificial humic acid (A-HA) and artificial fulvic acid were synthesized from agricultural litter, with high similarity to natural HS extracted from soil. These samples were added to black soils, and soil activity and nutrients availability were analyzed. The results demonstrate that the content of dissolved organic matter and total organic carbon (TOC) largely increased. The increase in TOC 28 days after addition of A-HA was 21.4 g/kg. This was much higher than the amount of the added A-HA carbon, which was 0.3 g/kg. As a "secondary" benefit, nutrient availability is increased, promoting the growth of plants. Using high-throughput sequencing we revealed that A-HA strongly supports the growth of photosynthetic
Identifiants
pubmed: 34466779
doi: 10.1016/j.isci.2021.102647
pii: S2589-0042(21)00615-5
pmc: PMC8387571
doi:
Banques de données
Dryad
['10.5061/dryad.18931zcv4']
Types de publication
Journal Article
Langues
eng
Pagination
102647Informations de copyright
© 2021 The Authors.
Déclaration de conflit d'intérêts
The authors declare no competing interests.
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