Important constraints on soil organic carbon formation efficiency in subtropical and tropical grasslands.
carbon sequestration
climate
fractionation
mineral-associated organic matter
particulate organic matter
soil carbon
soil fertility
soil management practices
soil properties
Journal
Global change biology
ISSN: 1365-2486
Titre abrégé: Glob Chang Biol
Pays: England
ID NLM: 9888746
Informations de publication
Date de publication:
10 2021
10 2021
Historique:
revised:
07
07
2021
received:
03
05
2021
accepted:
08
07
2021
pubmed:
22
7
2021
medline:
21
10
2021
entrez:
21
7
2021
Statut:
ppublish
Résumé
More than 10% of Australia's 49 M ha of grassland is considered degraded, prompting widespread interest in the management of these ecosystems to increase soil carbon (C) sequestration-with an emphasis on long-lived C storage. We know that management practices that increase plant biomass also increase C inputs to the soil, but we lack a quantitative understanding of the fate of soil C inputs into different soil organic carbon (SOC) fractions that have fundamentally different formation pathways and persistence in the soil. Our understanding of the factors that constrain SOC formation in these fractions is also limited, particularly within tropical climates. We used isotopically labelled residue (
Substances chimiques
Soil
0
Carbon
7440-44-0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
5383-5391Informations de copyright
© 2021 John Wiley & Sons Ltd.
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