Silkworm excrement reduces cadmium and arsenic accumulation in rice grains by altering soil chemical properties, microbial community, and promoting iron plaque formation
文献类型： 外文期刊
作者： Li, Tingting 1 ; Wei, Yanyan 2 ; Yu, Yuefeng 1 ; Zhang, Junhui 1 ; Zhang, Zengyu 2 ; Zheng, Fuhai 1 ; Hu, Junming 1 ;
作者机构： 1.Guangxi Acad Agr Sci, Agr Resources & Environm Res Inst, Nanning 530007, Peoples R China
2.Guangxi Univ, Coll Agr, State Key Lab Conservat & Utilizat Subtrop Agrobio, Cultivat Base Guangxi Key Lab Agroenvironm & Agrop, Nanning 530004, Peoples R China
关键词： Agricultural by-product; Heavy metal; Paddy soil; Oryza sativa L
期刊名称：APPLIED SOIL ECOLOGY （ 影响因子：4.8； 五年影响因子：5.1 ）
ISSN： 0929-1393
年卷期： 2023 年 182 卷
页码：
收录情况： SCI
摘要： Rice (Oryza sativa L.) consumption represents a major route for the exposure to cadmium (Cd) and arsenic (As). Compared with un-amendment soil, silkworm excrement (SE) amendment at a rate of 0.20 % (m/m) reduced the rice grains Cd and As concentrations by 15.99 % and 8.70 %, respectively, with the following mechanisms: 1) increasing the soil pH, electrical conductivity, and organic matter content (for Cd); 2) regarding the total soil bacteria (16S rRNA), SE-0.2 increased the abundances of Chloroflexi and decreased the abundances of Firmi-cutes, Bacillus, and Clostridium_sensu_stricto_1. Regarding the microorganisms involved in As methylation (arsM) in soil, SE-0.2 increased the abundances of Actinobacteria_d__bacteria, Firmicutes, Chloroflexi, and Rubriviva (for Cd and As); 3) promoting the formation of the iron plaque (for Cd and As). Collectively, SE can remediate Cd-and As-polluted soil and prevent the migration of Cd and As, thus ultimately resulting in decreased Cd and As in rice grains. This provides a new way to improve the utilization rate of agricultural waste resources and ensure the safe production of food.
- 相关文献
作者其他论文 更多>>
-
Influence of photoperiod on endogenous phytohormone levels and cadmium-related gene expression in Sedum alfredii
作者：Chen, ShiMiao;Shan, Bin;Lu, QinYu;Chen, ShiMiao;Shan, Bin;Lu, QinYu;Chen, ShiMiao;Lu, QinYu;Zheng, Fuhai;Li, Yanyan
关键词：Photoperiod; Sedum alfredii; phytohormones; cadmium; phytoremediation optimization
-
Comparison of Artificial Neural Network and Multiple Linear Regression to Predict Cadmium Concentration in Rice: A Field Study in Guangxi, China
作者：Zhao, Junyang;Yu, Baoshan;Qin, Guanchun;Meng, Shunpiao;Qiu, Yuhang;He, Bing;Zheng, Fuhai
关键词：prediction model; cadmium; soil-rice system; BP neural network
-
Bamboo charcoal application altered the mineralization process of soil organic carbon in different succession stages of karst forest land
作者：Hu, Lening;Liu, Xuehui;Xie, Yaqi;Zeng, Yicheng;Hu, Lening;Liu, Xuehui;Xie, Yaqi;Zeng, Yicheng;Ou, Huiping;Yu, Yuefeng;He, Tieguang
关键词：karst; soil organic carbon; forest land; bamboo charcoal; enzyme activity
-
Insight into the mechanism of nano-TiO2-doped biochar in mitigating cadmium mobility in soil-pak choi system
作者：Liu, Jing;Yang, Zhixing;Peng, Shirui;Lu, Dan;Li, Qiaoxian;Feng, Yaxuan;Chen, Kuiyuan;Wei, Yanyan;Liu, Jing;He, Tieguang;Yang, Zhixing;Zhu, Yanhuan;Li, Hong
关键词：Nanoparticles; Biochar; Cadmium; Microbial community; Soil metabolism; Soil remediation
-
Influence of Lithology on the Stability of Organic Carbon in Typical Soils of Karst in Northwest China
作者：Hu, Lening;Zhou, Liming;Qin, Rui;Deng, Hua;Zhang, Jianing;Yu, Yuefeng;He, Tieguang
关键词：Soil lithology; Organic carbon; Mineralization; Karst
-
Mitigation of cadmium and arsenic in rice grain by zero valent iron through modifying the soil chemical property and microbial community structure
作者：Li, Tingting;Zhang, Junhui;Yu, Yuefeng;Zheng, Fuhai;Hu, Junming;Lin, Dasong;Liu, Chao
关键词：Passivation material; Cadmium; Arsenic; Microorganism; Paddy
-
Biochar performance for preventing cadmium and arsenic accumulation, and the health risks associated with mustard (Brassica juncea) grown in co-contaminated soils
作者：Zang, Yili;Wang, Min;Zhang, Zengyu;Chen, Jiancheng;You, Xiaoshuang;Zhao, Yihan;Wei, Yanyan;Zang, Yili;Lu, Lingli;Tian, Shengke;Shohag, M. J. I.;He, Tieguang;Liao, Changjun;Wei, Yanyan
关键词：Cadmium; Arsenic; Biochar feedstocks; Long-term immobilization; Microbial communities
