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

Two aspects of earthworm bioturbation: Crop residue burial by foraging and surface casting in no-till management

Peter Bentley, Kevin R. Butt, Visa Nuutinen

European Journal of Soil Biology · 2023

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Summary

This 2023 field study differentiates between two earthworm-mediated pathways for crop residue incorporation in no-till systems: direct foraging-driven burial and indirect incorporation via soil casting. By quantifying the relative contribution of these complementary bioturbation mechanisms, the work advances mechanistic understanding of how soil fauna sustain no-till system function and structure development. The findings provide empirical evidence supporting the role of earthworm activity in conservation agriculture practice.

UK applicability

The findings are directly applicable to United Kingdom no-till farming practice and policy, particularly as UK farmers increasingly adopt conservation agriculture methods to meet soil health and environmental outcomes. Understanding the quantified role of earthworms in residue incorporation may inform best-practice guidance for UK no-till system management and soil fauna stewardship.

Key measures

Crop residue burial rates by foraging behaviour; soil casting volumes and rates; quantification of earthworm-mediated residue incorporation; soil fauna activity levels under no-till management

Outcomes reported

The study quantified two distinct earthworm-mediated pathways for crop residue incorporation in no-till systems: direct foraging-driven burial and indirect incorporation via soil casting. The work measured the relative contribution of these complementary bioturbation mechanisms to residue dynamics and soil structure development.

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
United Kingdom
System type
Arable cereals
DOI
10.1016/j.ejsobi.2023.103575
Catalogue ID
SNmov5ihfp-0fqyym

Topic tags

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