Summary
This review synthesises evidence on the use of nanoparticles as nanofertilisers to address global micronutrient deficiency through cereal biofortification. The authors describe how nanoparticles ranging from 1 to 100 nm can be internalised via stomata and roots, transported through the xylem, and applied via foliar spraying, soil treatment, or seed priming to increase zinc and iron uptake whilst reducing reliance on traditional chemical fertilisers. The review positions nanofertilisers as a sustainable strategy to improve both crop yield and human nutritional outcomes.
Regional applicability
The findings are globally applicable but do not appear to address United Kingdom-specific soil conditions, policy frameworks, or agronomic practices. Application to UK cereal production would require evaluation of regulatory approval for nanomaterial use in agriculture, local soil chemistry interactions, and climate-specific efficacy.
Key measures
Zinc and iron concentrations in plants; nanoparticle uptake mechanisms; crop yield; application methods (foliar, root, seed priming); nanoparticle size (1–100 nm) and morphology
Outcomes reported
The paper reviews how nanoparticles can be applied as nanofertilisers through foliar, soil-root, and seed priming methods to increase zinc and iron content in cereal crops. It examines the physiological mechanisms by which nanoparticles are internalised and transported within plants to enhance nutrient biofortification.
Topic tags
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