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Effect of peanut shell and wheat straw biochar on the availability of Cd and Pb in a soil–rice (Oryza sativa L.) system

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成果类型:
期刊论文
作者:
Xu, Chao*;Chen, Hao-xiang;Xiang, Qian;Zhu, Han-hua;Wang, Shuai;...
通讯作者:
Xu, Chao;Zhang, Yang-zhu
作者机构:
[Zhu, Han-hua; Xu, Chao; Wang, Shuai; Zhu, Qi-hong; Huang, Dao-you] Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Inst Subtrop Agr, Changsha 410125, Hunan, Peoples R China.
[Xu, Chao; Xu, C; Zhang, Yang-zhu] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.
[Chen, Hao-xiang] South China Agr Univ, Coll Nat Resources & Environm, Guangzhou 510642, Guangdong, Peoples R China.
[Xiang, Qian] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 10085, Peoples R China.
通讯机构:
[Xu, Chao] C
[Xu, C; Zhang, YZ] H
Chinese Acad Sci, Key Lab Agroecol Proc Subtrop Reg, Inst Subtrop Agr, Changsha 410125, Hunan, Peoples R China.
Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.
语种:
英文
关键词:
Bioavailability;Biochar;Contaminated paddy soil;Heavy metals;Rice
期刊:
Environmental Science and Pollution Research
ISSN:
0944-1344
年:
2018
卷:
25
期:
2
页码:
1147-1156
基金类别:
Hunan Provincial Department of Agriculture (Hunan Agricultural Union) [2015112]; National Key Technologies R&D Program of ChinaNational Key Technology R&D Program [2015BAD05B02]; Natural Science Foundation of Hunan Province, ChinaNatural Science Foundation of Hunan Province [2015JJ2081]; Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41101293]; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2014M562110]
机构署名:
本校为通讯机构
院系归属:
资源环境学院
摘要:
Soil amendments, such as biochar, have been used to enhance the immobilization of heavy metals in contaminated soil. A pot experiment was conducted to immobilize the available cadmium (Cd) and lead (Pb) in soil using peanut shell biochar (PBC) and wheat straw biochar (WBC), and to observe the accumulation of these heavy metals in rice (Oryza sativa L.). The application of PBC and WBC led to significantly higher pH, soil organic carbon (SOC), and cation exchange capacity (CEC) in paddy soil, while the content of MgCl2-extractable Cd and Pb was l...

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