E3S Web Conf.
Volume 261, 20212021 7th International Conference on Energy Materials and Environment Engineering (ICEMEE 2021)
|Number of page(s)||4|
|Section||Environmental Ecological Restoration and Energy Saving, Environmental Protection and Emission Reduction|
|Published online||21 May 2021|
The role of plant-associated bacteria in the phytoremediation of heavy metal contaminated soils
Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin, China
* Corresponding author’s e-mail: firstname.lastname@example.org
Soil heavy metal pollution is an important environmental problem threatening people’s health and sustainable economic development. Phytoremediation has become an important technology for the treatment of heavy metal contaminated soil with the characteristics of economy and environmental protection. This paper mainly analyzed the role of microbial community in heavy metal contaminated soil remediation process. Bacterias mainly strengthen the remediation effect of plants on heavy metal contaminated soil in two ways: first, bacterias have adsorption effect on heavy metals and reduce the toxicity of heavy metals to plants in soil; Two is to secrete organic acids and nutrients needed for plant growth to promote the absorption of heavy metals by hyperaccumulators.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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