Summary
This narrative review, published by Rothamsted Research, examines the mechanisms by which cadmium transfers from contaminated soils into edible crops and the resulting human health risks. Drawing on soil chemistry and plant physiology literature from the 2000s–2010s, the authors synthesised evidence on cadmium bioavailability, species-specific uptake patterns, and agronomic or soil management strategies to reduce food chain transfer. The work contributes to understanding how soil-borne contaminants pose food safety concerns and may inform agricultural management and regulatory policy.
UK applicability
The findings are directly applicable to UK agricultural practice and food safety policy, given that soil contamination with cadmium is a recognised concern in parts of the United Kingdom and subject to regulatory limits on food crops. Evidence on mitigation strategies may inform Defra guidance and farm management recommendations for contaminated land.
Key measures
Cadmium bioavailability in soil; cadmium accumulation in edible crops (species-specific); human dietary exposure and health risk thresholds
Outcomes reported
The review synthesised evidence on mechanisms of cadmium transfer from contaminated soils into edible crops, and assessed the consequent risks to human health through dietary exposure. It likely examined species-specific uptake patterns and evaluated potential mitigation strategies.
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