Comparing Bioavailability of Cadmium and Arsenic in Agricultural Soil Under Varied pH Condition

Oh, Se Jin; Kim, Sung Chul; Ok, Yong Sik; Oh, Seung Min; Lee, Bup Yeol; Lee, Sang-Hwan; Yang, Jae E.

doi:10.7745/kjssf.2015.48.1.057

Korean Journal of Soil Science and Fertilizer

2015

DOI: 10.7745/kjssf.2015.48.1.057

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Comparing Bioavailability of Cadmium and Arsenic in Agricultural Soil Under Varied pH Condition

Se Jin Oh¹,

Sung Chul Kim²,

Yong Sik Ok³

et al.

Abstract: .545) for Cd in acidic condition indicating that LMWOAs method could be applied for evaluating bioavailability of Cd in acidic soil. However, no high correlation was observed for As in both acidic and alkaline condition. Overall, bioavailable fraction of Cd and As can be higher in acidic condition of soil than alkaline condition resulting higher uptake of Cd and As from soil to crops. Therefore, efficient best management practice (BMPs) for Cd and As in acidic soil should be conducted for minimizing uptake of … Show more

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Cited by 8 publications

References 16 publications

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Risk assessment of using phosphate and calcium fertilisers for continuously flooded rice cultivation in a soil co-contaminated with cadmium and antimony

Shi

Zhu

et al. 2022

Crop & Pasture Science

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Antimony (Sb) pollution is causing serious concerns in some regions globally, such as around the XiKuangShan mine in China, which is the largest Sb mine in the world. However, remediation measures are scarce. In this study, we assessed the effects of two fertilisers, sodium dihydrogen phosphate (NaH2PO4 at 200, 500 and 2000 mg kg−1) and calcium chloride (CaCl2 at 20, 80 and 200 mg kg−1), on uptake by rice (Oryza sativa L.) of Sb, cadmium (Cd) and arsenic (As) from contaminated soil under flooded conditions. Despite a very low soil As concentration (10.89 mg kg−1), the results showed that flooded conditions will result in excess accumulation of As in rice grains. NaH2PO4 generally enhanced the release of As and Sb by increasing pH and competitive adsorption in the soil, which resulted in their accumulation in many tissues of the rice plants. NaH2PO4 (200 mg kg−1) significantly reduced soil available Cd concentration by increasing soil pH, which resulted in a decrease in Cd concentration in the roots and husks. CaCl2 at 200 mg kg−1 decreased soil pH, and CaCl2 treatments increased the available Sb concentration, although not as much as NaH2PO4. Both NaH2PO4 and CaCl2 enhanced the formation of root iron plaques, and in many cases increased the concentrations of As, Cd and Sb in the root plaques, suggesting a storage role rather than a barrier of root iron plaques for plant uptake of As, Cd and Sb. CaCl2 at 200 mg kg−1 was the most effective treatment for reducing As, Sb and Cd concentrations in rice grains. We conclude that utilisation of fertilisers containing P on a soil co-contaminated by Sb and Cd poses a risk of Sb and As accumulation under continuous flooded conditions, whereas addition of CaCl2 at 200 mg kg−1 may control As, Sb and Cd accumulation in grains of rice plants under these conditions.

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Risk assessment of using phosphate and calcium fertilisers for continuously flooded rice cultivation in a soil co-contaminated with cadmium and antimony

Shi

Zhu

et al. 2022

Crop & Pasture Science

View full text Add to dashboard Cite

show abstract

Effects of Cover Crops on Soil Chemical Properties and Biota in a Pear Orchard

Eo¹,

Park²,

Park³

2015

Korean Journal of Soil Science and Fertilizer

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Changes of Chemical Characteristics of Soil Solution In Paddy Field from Fifty-Eight Years Fertilization Experiments

Kim¹,

Kim²,

Park³

et al. 2015

Korean Journal of Soil Science and Fertilizer

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Comparing Bioavailability of Cadmium and Arsenic in Agricultural Soil Under Varied pH Condition

Cited by 8 publications

References 16 publications

Risk assessment of using phosphate and calcium fertilisers for continuously flooded rice cultivation in a soil co-contaminated with cadmium and antimony

Risk assessment of using phosphate and calcium fertilisers for continuously flooded rice cultivation in a soil co-contaminated with cadmium and antimony

Effects of Cover Crops on Soil Chemical Properties and Biota in a Pear Orchard

Changes of Chemical Characteristics of Soil Solution In Paddy Field from Fifty-Eight Years Fertilization Experiments

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