Summary
This field trial investigated whether chelated or sulphate forms of foliar iron and zinc application differentially affected micronutrient accumulation and bioaccessibility in 'Dordogne' carrots. The study measured both total mineral content and the in vitro bioaccessibility of these micronutrients, contributing to understanding of biofortification strategies for horticultural crops. The comparison between chemical forms suggests differential efficacy that may inform agronomic practice for micronutrient-dense vegetable production.
Regional applicability
The study evaluated carrot biofortification strategies applicable to temperate horticulture, including within United Kingdom production systems. The findings on foliar micronutrient application methods and their effect on bioaccessibility are relevant to UK vegetable growers seeking to enhance crop nutrient density, though the specific cultivar and growing conditions should be assessed for local transferability.
Key measures
Iron and zinc concentration in carrot tissue; bioaccessibility of iron and zinc; comparison between chelate and sulphate forms of foliar application
Outcomes reported
The study compared foliar applications of iron and zinc in chelate versus sulphate forms on carrot biofortification and mineral bioaccessibility. It measured the effects of these application methods on micronutrient accumulation and availability in the 'Dordogne' carrot cultivar.
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