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

Herbivore-herbivore interactions complicate links between soil fertility and pest resistance

Carmen K. Blubaugh, Lynne Carpenter‐Boggs, John P. Reganold, William E. Snyder

Basic and Applied Ecology · 2021

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Summary

This field-based study investigated the ecological mechanisms connecting soil fertility to crop pest resistance, finding that direct relationships are complicated by interactions among herbivore species. The research suggests that soil nutrient status alone is an insufficient predictor of pest suppression; rather, the composition and dynamics of herbivore assemblages must be considered alongside soil conditions. The findings emphasise the need for integrated pest management strategies that account for ecological complexity in agroecosystem design.

UK applicability

The study's emphasis on herbivore assemblage dynamics and soil fertility integration is relevant to UK arable and mixed farming systems, particularly where organic or low-input management strategies are adopted. UK growers and advisors should consider that improving soil fertility alone may not guarantee pest suppression without attention to broader ecological interactions.

Key measures

Soil fertility indicators, herbivore abundance and diversity, pest damage or resistance metrics, as suggested by ecological pathways linking soil to pest outcomes

Outcomes reported

The study measured relationships between soil nutrient status and pest resistance, examining how herbivore species interactions (particularly between multiple pest or natural enemy species) mediate or obscure these soil–pest linkages in field conditions.

Theme
Farming systems, soils & land use
Subject
Soil fertility & nutrient management
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
United States
System type
Mixed farming
DOI
10.1016/j.baae.2021.02.002
Catalogue ID
BFmowc29c7-cog0uw

Topic tags

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