| Issue |
E3S Web of Conf.
Volume 393, 2023
2023 5th International Conference on Environmental Prevention and Pollution Control Technologies (EPPCT 2023)
|
|
|---|---|---|
| Article Number | 01041 | |
| Number of page(s) | 5 | |
| Section | Environmental Assessment and Urban and Rural Resource Planning | |
| DOI | https://doi.org/10.1051/e3sconf/202339301041 | |
| Published online | 02 June 2023 | |
Effect of Distiller's Grains Biochar Combined with Lactobacillus plantarum on Remediation of Lead, Cadmium and Zinc Complex contaminated Soil
College of Biology and Environment Engineering, Guiyang University, Guiyang, 550005, China
* Corresponding author’s e-mail: ad32@qq.com
Aiming to clarify the effect of Lactobacillus plantarum combined with distiller's grains biochar on lead, cadmium and zinc complex contaminated soil, a pot experiment was conducted to investigate soil effective heavy metal concentration, plant growth, and heavy metal accumulation in the Sorghum hybrid sudangrass. The results revealed that single application of distiller's grains biochar, Lactobacillus plantarum thallus, Lactobacillus plantarum supernatant, and combined application of distiller's grain biochar and Lactobacillus plantarum thallus could significantly reduce the content of available Cd, Pb, and Zn in soil (P<0.05), and reduced the aboved metals content in the aerial parts and roots of Sorghum hybrid sudangrass to varying degrees. Compared with control group, high dosage of distiller's grain biochar and Lactobacillus plantarum thallus combined application treated Sorghum hybrid sudangrass with the lowest heavy metals content. The concentrations of Cd, Pb, and Zn decreased by 40.93%, 31.84%, and 40.25% in the aerial part, respectively, and decreased by 41.09%, 21.79%, and 29.62% in the root, respectively. The high dosage of distiller's grains biochar and the combination application of distiller's grains biochar and Lactobacillus plantarum thallus significantly increased the plant height and biomass of Sorghum hybrid sudangrass (P<0.05), and the overall promotion effect was better than other treatments.
© The Authors, published by EDP Sciences, 2023
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