Zinc deficiency is a major global health issue, especially in regions reliant on cereal-based diets. Microbial biofortification uses beneficial microbes like bacteria and fungi to enhance zinc uptake in crops by mobilizing soil zinc through solubilization, siderophore production, and phytase activity. Studies in wheat, rice, and maize show notable increases in grain zinc content. Despite its potential, challenges like strain selection, large-scale application, and regulatory concerns remain. This sustainable approach offers a promising solution to combat zinc deficiency and improve public health nutrition.
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