Differential effects of three amendments on the immobilisation of cadmium and lead for Triticum aestivum grown on polluted soil
Conventional chemical soil amendments and novel material biochars have been widely reported for the immobilisation of cadmium (Cd) and lead (Pb) in polluted soil. However, information regarding their comparative effectiveness is poor. In the present study, rice husk biochar (RHB) was compared with two chemical soil amendments including hydroxyapatite (HAP) and hydrated lime (HDL) for their effectiveness to enhance plant growth and the reduction of Cd uptake and translocation by Triticum aestivum L. grown in heavy-metal-polluted soil. Compared with control and two chemical soil amendments, RHB rapidly improved wheat growth. The HAP, HDL, and RHB treated plants retained Cd and Pb in roots and restricted their translocation. The RHB treatment had the best effect on growth, yield promotion and the reduction of Cd and Pb in wheat grain. Furthermore, the soils treated with RHB and HAP showed lower DTPA-extracted Cd concentrations, and the maximum reduction was observed in HAP-amended soil. However, the DTPA-extracted Pb concentration was not significantly decreased after the application of two chemical soil amendments for 40 days; the maximum reduction was found in soil treated with RHB for 80 days. In all treatments, Cd in post-harvest soil was mainly present in exchangeable, carbonate bound, and Fe-Mn oxide Cd, while the dominant chemical form of Pb was Fe-Mn oxide Pb. Three soil amendments application decreased exchangeable and organic bound- Cd and Pb levels. HAP and RHB displayed significantly immobilisation for soil Cd and reduced translocation of heavy metal as well as its availability in soil, but the HAP had significant inhibition on growth of wheat in contaminated soil. Therefore, RHB shows a promising potential for the reduction of Cd and Pb bioaccumulation in grains from wheat grown on heavy-metal-polluted soils.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:27 |
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| Enthalten in: |
Environmental science and pollution research international - 27(2020), 32 vom: 14. Nov., Seite 40434-40442 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Shengze [VerfasserIn] |
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| Links: |
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| Themen: |
00BH33GNGH |
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| Anmerkungen: |
Date Completed 13.10.2020 Date Revised 13.07.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s11356-020-10079-6 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM312429614 |
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| 100 | 1 | |a Zhang, Shengze |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Differential effects of three amendments on the immobilisation of cadmium and lead for Triticum aestivum grown on polluted soil |
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| 500 | |a Date Revised 13.07.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Conventional chemical soil amendments and novel material biochars have been widely reported for the immobilisation of cadmium (Cd) and lead (Pb) in polluted soil. However, information regarding their comparative effectiveness is poor. In the present study, rice husk biochar (RHB) was compared with two chemical soil amendments including hydroxyapatite (HAP) and hydrated lime (HDL) for their effectiveness to enhance plant growth and the reduction of Cd uptake and translocation by Triticum aestivum L. grown in heavy-metal-polluted soil. Compared with control and two chemical soil amendments, RHB rapidly improved wheat growth. The HAP, HDL, and RHB treated plants retained Cd and Pb in roots and restricted their translocation. The RHB treatment had the best effect on growth, yield promotion and the reduction of Cd and Pb in wheat grain. Furthermore, the soils treated with RHB and HAP showed lower DTPA-extracted Cd concentrations, and the maximum reduction was observed in HAP-amended soil. However, the DTPA-extracted Pb concentration was not significantly decreased after the application of two chemical soil amendments for 40 days; the maximum reduction was found in soil treated with RHB for 80 days. In all treatments, Cd in post-harvest soil was mainly present in exchangeable, carbonate bound, and Fe-Mn oxide Cd, while the dominant chemical form of Pb was Fe-Mn oxide Pb. Three soil amendments application decreased exchangeable and organic bound- Cd and Pb levels. HAP and RHB displayed significantly immobilisation for soil Cd and reduced translocation of heavy metal as well as its availability in soil, but the HAP had significant inhibition on growth of wheat in contaminated soil. Therefore, RHB shows a promising potential for the reduction of Cd and Pb bioaccumulation in grains from wheat grown on heavy-metal-polluted soils | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Biochar | |
| 650 | 4 | |a Heavy metal pollution | |
| 650 | 4 | |a Immobilisation | |
| 650 | 4 | |a Soil amendments | |
| 650 | 4 | |a Triticum aestivum L | |
| 650 | 7 | |a Soil |2 NLM | |
| 650 | 7 | |a Soil Pollutants |2 NLM | |
| 650 | 7 | |a Cadmium |2 NLM | |
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| 650 | 7 | |a Charcoal |2 NLM | |
| 650 | 7 | |a 16291-96-6 |2 NLM | |
| 650 | 7 | |a Lead |2 NLM | |
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| 700 | 1 | |a Quan, Lingtong |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Yanping |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Jin |e verfasserin |4 aut | |
| 700 | 1 | |a He, Xiaoman |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jia |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Xiaoming |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Zhubing |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Feng |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Yahua |e verfasserin |4 aut | |
| 700 | 1 | |a Shen, Zhenguo |e verfasserin |4 aut | |
| 700 | 1 | |a Xia, Yan |e verfasserin |4 aut | |
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