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

Agricultural management and pesticide use reduce the functioning of beneficial plant symbionts

Anna Edlinger, Gina Garland, Kyle Hartman, Samiran Banerjee, Florine Degrune, Pablo García‐Palacios, Sara Hallin, Alain Valzano‐Held, Chantal Herzog, Jan Jansa, Elena Kost, Fernando T. Maestre, David S. Pescador, Laurent Philippot, Matthias C. Rillig, Sana Romdhane, Aurélien Saghaï, Aymé Spor, Emmanuel Frossard, Marcel G. A. van der Heijden

Nature Ecology & Evolution · 2022

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Summary

This multi-authored European study examined how conventional agricultural management practices—particularly pesticide application—compromise the functioning of soil symbiotic microorganisms that support plant health and nutrient cycling. The authors assessed symbiont performance (arbuscular mycorrhizal fungi, nitrogen-fixing bacteria, and related communities) across field sites representing different farming intensities and chemical inputs. The findings suggest that intensive management and synthetic pesticide use substantially reduce the capacity of these beneficial symbionts to supply plants with nutrients, with potential implications for soil health, crop resilience, and long-term agricultural productivity.

UK applicability

These findings are directly relevant to UK farming policy and practice, as the majority of UK arable and mixed farms employ conventional pesticide regimes and intensive soil management. The research supports arguments for reduced-input and organic farming systems within UK agricultural policy frameworks (e.g., Defra's agricultural transition plan).

Key measures

Symbiont functionality (as suggested by the title); arbuscular mycorrhizal fungal colonisation; nitrogen-fixing bacterial activity; plant nutrient uptake; soil microbial community composition and function across agricultural treatments

Outcomes reported

The study assessed how different agricultural management practices and pesticide use affect the functional performance of beneficial plant-associated microorganisms (such as arbuscular mycorrhizal fungi and nitrogen-fixing bacteria). The research measured symbiont-mediated plant nutrient acquisition and related soil microbial processes across multiple farming 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
Europe
System type
Mixed farming
DOI
10.1038/s41559-022-01799-8
Catalogue ID
BFmommpigd-ysb5au

Topic tags

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