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

Soil net carbon balance depends on soil C: N: P stoichiometry

Shengxian Chen, Jian Huang, Ruijia Guo, Hongliang Ma, Junjie Guo, Ning Ling, Qicheng Xu, Min Wang, Qirong Shen, Shiwei Guo

Soil and Tillage Research · 2024

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Summary

This 2024 study investigates how the stoichiometric balance of carbon, nitrogen and phosphorus in soil influences net soil carbon balance—a key indicator of soil health and climate mitigation potential. The research, as suggested by the title and journal scope, likely demonstrates that soil nutrient ratios are a critical control on whether soils act as carbon sinks or sources, with implications for optimising farming practices to enhance carbon sequestration. The findings contribute to understanding how soil fertility management and elemental cycling interact to determine carbon dynamics.

Regional applicability

The study was conducted in China and may have limited direct applicability to United Kingdom soil and climate contexts without further validation. However, the mechanistic relationship between soil stoichiometry and carbon balance is likely transferable; UK farmers and soil scientists could adapt these principles to understand how nutrient management affects carbon sequestration in temperate arable and mixed farming systems.

Key measures

Soil net carbon balance; soil C:N:P stoichiometric ratios; soil organic carbon; nutrient concentrations

Outcomes reported

The study examined how soil carbon-to-nitrogen-to-phosphorus stoichiometric ratios influence net soil carbon balance across different farming contexts. It likely quantified relationships between elemental ratios and carbon sequestration or loss.

Theme
Farming systems, soils & land use
Subject
Soil carbon & organic matter
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Mixed farming
DOI
10.1016/j.still.2024.106298
Catalogue ID
SNmonuttup-alck7z

Topic tags

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