Summary
This narrative review examines the multifaceted contributions of arbuscular mycorrhizal fungi to soil fertility improvement, addressing a critical gap in understanding soil biology under conditions of widespread degradation. The authors synthesise literature on AMF-mediated mechanisms affecting soil carbon sequestration, nutrient mineralisation, microbial community composition, and structural stability through production of organic acids and glomalin. The review positions AMF as a functional biological component worthy of further investigation to sustain soil fertility in the context of climate change and intensive agricultural practices.
Regional applicability
These findings on AMF-mediated soil improvement mechanisms are likely applicable to UK soils, particularly in contexts where conventional tillage and chemical inputs have reduced mycorrhizal colonisation. However, the review's geographic scope is unclear, and UK-specific validation of AMF inoculant efficacy under temperate maritime conditions would strengthen applicability to UK farming systems.
Key measures
Soil carbon sequestration; nutrient contents; microbial activities and diversity; soil structure stability; glomalin production; organic acid production; alkaline phosphatase enzyme activity; soil erosion protection; heavy metal chelation; macro-aggregate stabilisation
Outcomes reported
This narrative review synthesises evidence on how arbuscular mycorrhizal fungi (AMF) improve soil fertility through mechanisms affecting physical, chemical, and biological soil properties. The review identifies specific AMF contributions to carbon sequestration, nutrient availability, microbial community dynamics, and soil structure stabilisation.
Topic tags
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