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20240905232453.0 |
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231226s2024 xx |||||o 00| ||eng c |
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7 |
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|a 10.1080/09593330.2023.2283061
|2 doi
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2 |
|a pubmed24n1524.xml
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|a (DE-627)NLM364388498
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|a (NLM)37947180
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhang, Xu
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Study on the migration behaviour of heavy metals at the improved mine soil-plant rhizosphere interface
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|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 05.09.2024
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|a Date Revised 05.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a With the increasing shortage of land resources and the aggravation of soil pollution in mining areas, the remediation of soil in abandoned mining areas has gradually attracted people's attention. The remediation of heavy metal contaminated soil in mining areas is the key to reduce the harm of heavy metals to the environment and human health. In this study, municipal sludge and phytoremediation technology were combined to investigate the migration and transformation of heavy metals at the soil-plant interface in improved mining areas through indoor pot experiments. The results showed that heavy metals in non-rhizosphere soil entered the rhizosphere environment with the growth of plants, leading to the increase of heavy metal content in rhizosphere soil. The cumulative amounts of Cu, Zn, Pb and Cd were 1299.32, 832.10, 347.89 and 71.34 mg/kg, respectively. The content of oxidized Cu and Zn decreased with increasing planting days, while the oxidized Pb and Cd showed an increasing trend. Under acidic conditions, H+ is easy to compete with heavy metal ions for exchangeable positions in the clay mineral layer, so that the reducible heavy metals are easy to be converted into exchangeable states. In this paper, the effects of various factors on the distribution of heavy metals were discussed by adjusting soil pH, adding humic acid and root exudates, so as to analyse the migration and transformation mechanism of heavy metals at the soil-plant interface, and provide a reliable theoretical basis for soil remediation in mining areas
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|a Journal Article
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4 |
|a Heavy metal
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| 650 |
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4 |
|a mining soil
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| 650 |
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4 |
|a municipal sludge
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| 650 |
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4 |
|a phytoremediation
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| 650 |
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4 |
|a soil repair
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| 650 |
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7 |
|a Metals, Heavy
|2 NLM
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| 650 |
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7 |
|a Soil Pollutants
|2 NLM
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| 650 |
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7 |
|a Soil
|2 NLM
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| 700 |
1 |
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|a Zhang, Shuqin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Shuang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ren, Dajun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xiaoqing
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Environmental technology
|d 1993
|g 45(2024), 23 vom: 05. Sept., Seite 4691-4703
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
1 |
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|g volume:45
|g year:2024
|g number:23
|g day:05
|g month:09
|g pages:4691-4703
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4 |
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|u http://dx.doi.org/10.1080/09593330.2023.2283061
|3 Volltext
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