Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Pathways of soil organic carbon accumulation are related to microbial life history strategies in fertilized agroecosystems

Jiangnan Li, Jie Zhao, Xionghui Liao, Peilei Hu, Wenyu Wang, Qiumei Ling, Lei Xie, Jun Xiao, Wei Zhang, Kelin Wang

The Science of The Total Environment · 2024

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Summary

This 2024 study investigates the mechanistic linkage between soil microbial community structure—specifically r- and K-selected life history strategies—and organic carbon accumulation pathways in fertilised arable systems. The research suggests that contrasting microbial metabolic strategies operate under different fertilisation regimes, with implications for understanding how agricultural management shapes soil carbon storage and microbial community assembly. The findings may help inform fertilisation strategies to enhance soil carbon sequestration in intensive agroecosystems, though field validation across diverse soil and climatic contexts remains necessary.

UK applicability

Findings from intensive fertilised arable systems in China may have limited direct applicability to UK farming, which encompasses diverse management intensities and soil types. However, the mechanistic understanding of how fertilisation shapes microbial-mediated carbon pathways could inform UK soil carbon sequestration strategies, particularly in intensively managed arable regions.

Key measures

Soil organic carbon content and accumulation; microbial community composition and life history strategies (r- and K-selection); microbial metabolic activity; soil properties under fertilisation treatments

Outcomes reported

The study examined relationships between soil microbial community composition (r- and K-selected strategists) and pathways of organic carbon accumulation under different fertilisation regimes. Findings characterised how distinct microbial metabolic strategies correlate with soil carbon storage in intensively managed arable systems.

Theme
Farming systems, soils & land use
Subject
Soil biology & microbiology
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Arable cereals
DOI
10.1016/j.scitotenv.2024.172191
Catalogue ID
SNmoht1w5h-24b1dj

Topic tags

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