Pulse Brain · Growing Health Evidence Index
Tier 1 — Meta-analysis / systematic reviewPeer-reviewed

Global patterns of nutrient limitation in soil microorganisms

Yongxing Cui; Shushi Peng; Matthias C. Rillig; Tessa Camenzind; Manuel Delgado‐Baquerizo; César Terrer; Xiaofeng Xu; Maoyuan Feng; Mengjie Wang; Linchuan Fang; Biao Zhu; Enzai Du; Daryl Moorhead; Robert L. Sinsabaugh; Josep Peñuelas; James J. Elser

Proceedings of the National Academy of Sciences · 2025

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Summary

This study synthesises global data on soil microbial nutrient limitation, likely drawing on extracellular enzyme stoichiometry as a widely used indicator of carbon, nitrogen, and phosphorus constraints on soil microorganisms. By compiling datasets spanning multiple biomes and land-use types, the authors infer spatial patterns in microbial nutrient limitation and identify the environmental factors that drive them. The findings are likely to have implications for understanding nutrient cycling dynamics and ecosystem responses to global change.

UK applicability

Although the study is global in scope, its findings on the prevalence of nitrogen and phosphorus limitation in temperate soils are relevant to UK agricultural and land management policy, particularly in the context of soil health monitoring, fertiliser use efficiency, and the UK's post-Brexit Environmental Land Management schemes.

Key measures

Soil extracellular enzyme activity ratios (C:N:P acquisition enzymes); microbial nutrient limitation indices; geographic and climatic covariates (temperature, precipitation, soil pH, land use)

Outcomes reported

The study likely examined the prevalence and geographic distribution of carbon, nitrogen, and phosphorus limitation in soil microbial communities at a global scale, using enzymatic activity ratios as proxies for nutrient limitation. It probably identified key environmental and climatic drivers explaining variation in microbial nutrient limitation across biomes.

Theme
Farming systems, soils & land use
Subject
Soil microbiology & nutrient cycling
Study type
Meta-analysis
Study design
Meta-analysis
Source type
Peer-reviewed study
Status
Published
Geography
Global
System type
Soil systems (multiple ecosystems)
DOI
10.1073/pnas.2424552122
Catalogue ID
NRmo3f02hq-07m

Topic tags

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