Pulse Brain · Growing Health Evidence Index
Tier 4 — Narrative / commentaryPeer-reviewed

Soil degradation & global nutrient challenge

Alewell, C. et al.

2020

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Summary

Published in Nature Reviews Earth & Environment, this review by Alewell and colleagues synthesises evidence on the scale and mechanisms of global soil degradation, with particular attention to nutrient losses and their downstream effects on food systems. The authors likely draw on global datasets and modelling to characterise the feedback between land management, soil health, and nutrient availability. The paper is expected to make a substantial contribution to understanding how degraded soils compromise both agricultural productivity and the nutritional quality of food.

UK applicability

Although the scope is global, the findings are broadly applicable to UK policy and practice, particularly in the context of the UK's Environmental Land Management schemes and commitments to improving soil health under post-Brexit agricultural policy.

Key measures

Soil degradation indicators (erosion rates, organic matter loss, nutrient depletion); global nutrient budgets; food and nutritional security metrics

Outcomes reported

The paper likely reports on the extent and drivers of soil degradation worldwide and its consequences for nutrient cycling, crop nutrient density, and the ability of soils to sustain food production for a growing global population.

Theme
Farming systems, soils & land use
Subject
Soil health & nutrient cycling
Study type
Narrative Review
Study design
Narrative review
Source type
Peer-reviewed study
Status
Published
Geography
Global
System type
Mixed arable and land use systems
Catalogue ID
XL0363

Topic tags

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