Phosphorus-loaded magnetic biochar for remediation of cadmium contaminated paddy soil: Efficacy and identification of limiting factors

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成果类型：

期刊论文

作者：

Chen, Yonglin;Yang, Wentao;Liu, Hongyan;Mao, Wenjian;Zhang, Jian;...

通讯作者：

Yang, WT

作者机构：

[Yang, Wentao; Zhang, Jian; Liu, Hongyan; Yang, WT; Wang, Bing; Chen, Yonglin; Yang, Liyu; Wu, Pan] Guizhou Univ, Coll Resource & Environm Engn, Key Lab Karst Geol Resources & Environm, Minist Educ, Guiyang 550025, Peoples R China.

[Liu, Hongyan] Guizhou Univ, Coll Agr, Guiyang 550025, Peoples R China.

[Mao, Wenjian] Guizhou Environm & Engn Appraisal Ctr, Guiyang 550002, Peoples R China.

[Wang, Shengsen] Yangzhou Univ, Coll Environm Sci & Engn, Yangzhou 225127, Peoples R China.

[Zeng, Peng; Zhou, Hang] Cent South Univ Forestry & Technol, Coll Environm Sci & Engn, Changsha 410004, Peoples R China.

通讯机构：

[Yang, WT ] G

Guizhou Univ, Coll Resource & Environm Engn, Key Lab Karst Geol Resources & Environm, Minist Educ, Guiyang 550025, Peoples R China.

语种：

英文

关键词：

Cadmium;Functionalized biochar;Soil limitation factors;Soil remediation;Soil-rice system

期刊：

Journal of Hazardous Materials

ISSN：

0304-3894

年：

2025

卷：

492

页码：

138162

DOI：

10.1016/j.jhazmat.2025.138162

基金类别：

Declaration of Competing Interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Wentao Yang reports was provided by National Natural Science Foundation of China. Wentao Yang reports a relationship with Guizhou University that includes: employment and funding grants. If there are other authors, they declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported

机构署名：

本校为其他机构

院系归属：

环境科学与工程学院

摘要：

Alleviating cadmium (Cd) risk in paddy soils is a global research hotspot. Although biochar reduces Cd mobility, a holistic perspective on the effects of biochar on Cd fraction distribution in rice rhizosphere and its immobilization mechanisms is lacking. Here, we developed a pathway model that links soil physicochemical properties, IP formation, enzyme activity, microbial biomass, porewater nutrients, and soil Cd fractions to fill knowledge gaps. Results revealed that phosphorus-loaded magnetic biochar (PMLB) application increased soil pH, ava...

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Phosphorus-loaded magnetic biochar for remediation of cadmium contaminated paddy soil: Efficacy and identification of limiting factors

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