Agronomic biofortification of zinc in rice for diminishing malnutrition in South Asia

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dc.creatorPeramaiyan, Panneerselvam
dc.creatorCraufurd, Peter Q.
dc.creatorKumar, Virender
dc.creatorSeelan, Lavanya P.
dc.creatorMcDonald, Andrew J.
dc.creatorBalwinder-Singh, Poonia, S.
dc.creatorKishore, Avinash
dc.creatorSingh, Sudhanshu
dc.date2022-06-24
dc.date2023-01-05T11:11:02Z
dc.date2023-01-05T11:11:02Z
dc.date.accessioned2026-06-27T15:14:10Z
dc.descriptionZinc (Zn) is increasingly recognized as an essential trace element in the human diet that mediates a plethora of health conditions, including immune responses to infectious diseases. Interestingly, the geographical distribution of human dietary Zn deficiency overlaps with soil Zn deficiency. In South Asia, Zn malnutrition is high due to excessive consumption of rice with low Zn content. Interventions such as dietary diversification, food fortification, supplementation, and biofortification are followed to address Zn malnutrition. Among these, Zn biofortification of rice is the most encouraging, cost-effective, and sustainable for South Asia. Biofortification through conventional breeding and transgenic approaches has been achieved in cereals; however, if the soil is deficient in Zn, then these approaches are not advantageous. Therefore, in this article, we review strategies for enhancing the Zn concentration of rice through agronomic biofortification such as timing, dose, and method of Zn fertilizer application, and how nitrogen and phosphorus application as well as crop establishment methods influence Zn concentration in rice. We also propose data-driven Zn recommendations to anticipate crop responses to Zn fertilization and targeted policies that support agronomic biofortification in regions where crop responses to Zn fertilizer are high.
dc.formatapplication/pdf
dc.identifierhttps://hdl.handle.net/10568/126613
dc.identifier.urihttp://hdl.handle.net/123456789/98476
dc.languageen
dc.publisherMDPI
dc.rightsOpen Access
dc.sourcePeramaiyan, Panneerselvam, Craufurd, Peter, Kumar, Virender, Seelan, Lavanya P., McDonald, Andrew J., Balwinder-Singh, Kishore, Avinash and Singh, Sudhanshu. 2022. Agronomic biofortification of zinc in rice for diminishing malnutrition in South Asia. Sustainability 14(13):7747. https://doi.org/10.3390/su14137747
dc.subjectrice
dc.subjectzinc
dc.subjectcrop management
dc.subjectgrain
dc.subjectsoil requirements
dc.subjectpolicies
dc.titleAgronomic biofortification of zinc in rice for diminishing malnutrition in South Asia
dc.typeJournal Article

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Instituto Internacional de Investigación sobre Políticas Alimentarias (IFPRI)