Enhancing arsenic and cadmium phytoextraction and soil microbial response with fertilizers or oxalic acid in Pteris vittata L. and Sedum alfredii Hance intercropping system

被引：0
作者：
Yang, Aiping [1 ]
Xiao, Xiyuan [1 ]
Shen, Min [2 ]
Zhou, Cong [1 ]
Wang, Xiaohui [1 ]
Zhang, Chi [2 ]
Wang, Xinyu [3 ]
机构：
[1] Cent South Univ, Sch Met & Environm, Changsha 410083, Peoples R China
[2] Urban Geol Survey & Monitor Inst Hunan Prov, Changsha 410007, Peoples R China
[3] Agr & Rural Bur Changde City, Changde 415000, Peoples R China
来源：
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING | 2025年 / 13卷 / 01期
关键词：
As/Cd co-contaminated soil; Hyperaccumulator intercropping; Amendments; Phytoextraction efficiency; Soil microbial response; PHYTOREMEDIATION; ACCUMULATION; REMEDIATION; COMMUNITY; LEAD;
D O I：
10.1016/j.jece.2024.115250
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Pteris vittata L. and Sedum alfredii Hance intercropping system has been proved to remediate arsenic (As) and cadmium (Cd) co-contaminated soil. In this study, a greenhouse experiment was conducted to investigate the efficiency of using fertilizers [organic fertilizer (OF), calcium magnesium phosphate (CMPF), and compound fertilizer (CF)] and oxalic acid (OA) to enhance phytoextraction of As and Cd in this intercropping system. The results indicated that these amendments could promote plant growth and enhance As/Cd contents in hyperaccumulators. The total accumulation of As and Cd from OA treatment per pot was enhanced by 91.2 % and 74.3 %, followed by CMPF and CF treatments. The available contents of As and Cd from OA treatment were the lowest with decrease by 16.0 % and 20.6 % in comparison to control treatment, respectively, and enzyme activities were improved. Proteobacteria was the domain phylum accounting for 25.7 %-31.8 %, followed by Chloroflexi (19.7-23.2 %), Actinobacteria (18.8 %-21.9 %), Acidobacteria (8.10 %-10.9 %), and Gemmatimonadetes (5.21 %-6.85 %). The relative abundance of Sphingomonas was positively correlated with As accumulation, and there was a positive relationship between Roseiflexaceae, Gemmatimonadaceae and Cd accumulation. OA and CMPF were suitable amendments for enhancing As and Cd accumulation and alleviating toxicity in the intercropping system of P. vittata with S. alfredii.
引用
收藏
页数：8
相关论文
共 64 条
  • [21] Li J.T., Gurajala H.K., Wu L.H., van der Ent A., Qiu R.L., Baker A.J.M., Tang Y.T., Yang X.E., Shu W.S., Hyperaccumulator plants from China: a synthesis of the current state of knowledge, Environ. Sci. Technol., 52, 21, pp. 11980-11994, (2018)
  • [22] Li T.Q., Tao Q., Liang C.F., Shohag M.J., Yang X.E., Sparks D.L., Complexation with dissolved organic matter and mobility control of heavy metals in the rhizosphere of hyperaccumulator Sedum alfredii, Environ. Pollut., 182, pp. 248-255, (2013)
  • [23] Li Y.F., Yang J.X., Guo J.M., Zheng G.D., Chen T.B., Meng X.F., He M.K., Ma C., Intercropped Amygdalus persica and Pteris vittata applied with additives presents a safe utilization and remediation mode for arsenic-contaminated orchard soil, Sci. Total Environ., 879, (2023)
  • [24] Liang Y.Q., Wang X.H., Guo Z.H., Xiao X.Y., Peng C., Yang J., Zhou C., Zeng P., Chelator-assisted phytoextraction of arsenic, cadmium and lead by Pteris vittata L. and soil microbial community structure response, Int. J. Phytoremediat., 21, 10, pp. 1032-1040, (2019)
  • [25] Liang Y.Q., Xiao X.Y., Guo Z.H., Peng C., Zeng P., Wang X.Y., Co-application of indole-3-acetic acid/gibberellin and oxalic acid for phytoextraction of cadmium and lead with Sedum alfredii Hance from contaminated soil, Chemosphere, 285, (2021)
  • [26] Lin H., Liu C.J., Li B., Dong Y.B., Trifolium repens L. regulated phytoremediation of heavy metal contaminated soil by promoting soil enzyme activities and beneficial rhizosphere associated microorganisms, J. Hazard. Mater., 402, (2021)
  • [27] Lindsay W.L., Norvell W.A., Development of a DTPA soil test for zinc, iron, manganese, and copper, Soil. Sci. Soc. Am. J., 42, 3, pp. 421-428, (1978)
  • [28] Liu X., Fu J.W., da Silva E., Shi X.X., Cao Y., Rathinasabapathi B., Chen Y.S., Ma L.Q., Microbial siderophores and root exudates enhanced goethite dissolution and Fe/As uptake by As-hyperaccumulator Pteris vittata, Environ. Pollut., 223, pp. 230-237, (2017)
  • [29] Liu Y.K., Tao Q., Guo X.Y., Luo J.P., Li J.X., Liang Y.C., Li T.Q., Low calcium-induced delay in development of root apoplastic barriers enhances Cd uptake and accumulation in Sedum alfredii, Sci. Total Environ., 723, (2020)
  • [30] Liu Y.W., Zhou J.J., Sun D.L., Chen H.F., Qin J.H., Chen G.K., Qiu R.L., Polyaspartic acid assisted-phytoremediation of cadmium-contaminated farmland: phytoextraction efficiency, soil quality, and rhizosphere microbial community, Sci. Total Environ., 862, (2023)
1234567