Summary
This white paper synthesises peer-reviewed literature demonstrating associations between soil health practices—including cover cropping, reduced tillage, crop rotation, organic amendments, and managed grazing—and elevated nutrient densities in food products. The authors identify a significant structural absence in the UK food system's ability to measure, certify, or economically reward nutritional quality at farm level, and propose a three-part intervention: standardised nutrient measurement protocols, a tiered certification scheme, and outcome-based procurement incentives, with a phased roadmap and predictive modelling partnership to reduce future testing costs.
Regional applicability
The paper directly addresses UK food system design and proposes policy-level interventions applicable to UK food procurement, retail standards, and agricultural subsidy mechanisms. Findings reflect UK farming conditions and food supply chain structure, though broader applicability to other temperate arable and pasture systems is implied.
Key measures
Nutrient concentrations in food products (crops and livestock); gap analysis of UK food chain measurement and verification systems; proposed nutrient outcome metrics for certification
Outcomes reported
The paper synthesises evidence linking soil health management practices to measurable increases in nutrient concentrations in crops and livestock products, and identifies systemic gaps in UK food chain measurement and verification of nutritional quality.
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