R3 strain and Fe-Mn modified biochar reduce Cd absorption capacity of roots and available Cd content of soil by affecting rice rhizosphere and endosphere key flora

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成果类型：

期刊论文

作者：

Tian, Yunhe;Li, Peng;Chen, Xinyu;He, Jing;Tian, Meijie;...

通讯作者：

Fu, Zhiqiang;Yi, Zhenxie;Li, J

作者机构：

[Hu, Ruiwen; Fu, Zhiqiang; Li, Juan; He, Jing; Yi, Zhenxie; Yi, ZX; Tian, Yunhe; Chen, Xinyu; Tian, Meijie] Hunan Agr Univ, Coll Agron, Changsha 410128, Peoples R China.

[Li, Peng] Hunan Acad Agr Sci, Hunan Soil & Fertilizer Inst, Changsha 410125, Peoples R China.

[Zheng, Zhongyi] Hunan Agr Univ, Coll Educ, Changsha 410128, Peoples R China.

[Hu, Ruiwen] Sun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangdong Prov Key Lab Plant Resources, Guangzhou 510275, Peoples R China.

通讯机构：

[Fu, ZQ; Yi, ZX; Li, J ] H

Hunan Agr Univ, Coll Agron, Changsha 410128, Peoples R China.

语种：

英文

关键词：

Rice;Cd content;Bacterial community;Soil Cd species;Soil nutrient;Contaminated soil remediation

期刊：

Ecotoxicology and Environmental Safety

ISSN：

0147-6513

年：

2024

卷：

278

页码：

116418

DOI：

10.1016/j.ecoenv.2024.116418

基金类别：

National Key Research and Development Program of China [2023YFD2301402]; Hunan Province natural science Foundation [2022JJ30303]

机构署名：

本校为第一且通讯机构

院系归属：

农学院

教育学院

摘要：

Microorganisms have a significant role in regulating the absorption and transportation of Cd in the soil-plant system. However, the mechanism by which key microbial taxa play a part in response to the absorption and transportation of Cd in rice under Cd stress requires further exploration. In this study, the cadmium-tolerant endophytic bacterium Herbaspirillum sp. R3 (R3) and Fe-Mn-modified biochar (Fe-Mn) were, respectively, applied to cadmium-contaminated rice paddies to investigate the effects of key bacterial taxa in the soil-rice system on the absorption and transportation of Cd in rice u...

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R3 strain and Fe-Mn modified biochar reduce Cd absorption capacity of roots and available Cd content of soil by affecting rice rhizosphere and endosphere key flora

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