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Heavy metals in agricultural soils: From bioavailability to productivity

Li, Zhen, Meng, Lingzi, Chen, Haoming and Jin, Fei ORCID: 2023. Heavy metals in agricultural soils: From bioavailability to productivity. Bolan, Nanthi and Kirkham, M. B., eds. Soil Constraints and Productivity, Taylor & Francis, pp. 101-132. (10.1201/9781003093565-6)

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Heavy metals in agricultural soils have close relationships with multiple soil components (e.g., organic matter, minerals, and microorganisms), which are then redistributed into different chemical forms with varying bioavailability, mobility, and toxicity. This distribution is believed to be controlled by a series of reactions such as mineral precipitation or dissolution, aqueous complexation, biological accumulation, and plant uptake. Heavy metals in agricultural soils not only decrease the growth and yield of plants due to phytotoxicity but also enter the food chain to disturb human metabolomics. Therefore, the transfer and accumulation of heavy metals in soil-plant systems should be particularly addressed for One Health, a program of the World Health Organization. Although heavy metal pollution in agriculture is often dominated by low and medium concentration pollution, its remediation requirements are different from those required for industrial sites. The requirements of agricultural conditions need to be met. Heavy metal remediation should be cost-effective and environmentally friendly. Bioremediation is an emerging technique in recent years, and it is also considered as a sustainable technique.

Item Type: Book Section
Date Type: Published Online
Status: Published
Schools: Engineering
Publisher: Taylor & Francis
ISBN: 9781003093565
Last Modified: 09 Feb 2024 14:30

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