Efficiency of various silicon rich amendments on growth and cadmium accumulation in field grown cereals and health risk assessment

Date

2020-04-01

Author

Sohail, Muhammad Irfan
Rehman, Muhammad Zia Ur
Rizwan, Muhammad
Yousaf, Balal
Ali, Shafaqat
ul Haq, Muhammad Anwar
Anayat, Alia
Waris, Aisha A.

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Cadmium (Cd) contamination of arable soils and its subsequent accumulation in food is one of the global issues which needs urgent attention. Field experiments were conducted to explore the impacts of ten silicon (Si) rich amendments on Cd bioavailability and accumulation by maize and wheat irrigated with sewage effluents. Results depicted that applied amendments decreased the total Cd accumulation in shoots and grains of both crops with and the maximum decrease was observed in rice husk biochar (RHB) treatment. The RHB was able to significantly decrease the translocation factor, Cd harvest and health risk indexes. All amendments differentially affected the soil pH, EC, CaCl2-extractable Si, and decreased the AB-DTPA-extractable soil Cd. Overall, suitable Si rich amendments (like RHB and CSB etc.) can be employed to mitigate the health risks associated with dietary Cd in untreated sewage irrigated fields. However, the cost-benefit analysis such Si rich amendments should be considered before final recommendations. (C) 2019 Elsevier Ltd. All rights reserved.

URI

https://hdl.handle.net/11511/89933

Journal

CHEMOSPHERE

DOI

https://doi.org/10.1016/j.chemosphere.2019.125481

Collections

Department of Environmental Engineering, Article

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Citation Formats

M. I. Sohail et al., “Efficiency of various silicon rich amendments on growth and cadmium accumulation in field grown cereals and health risk assessment,” CHEMOSPHERE, pp. 0–0, 2020, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/89933.