油菜、龙葵、苎麻对镉、砷复合污染农田土壤的修复效果

doi:10.14088/j.cnki.issn0439-8114.2024.02.036

湖北农业科学 ›› 2024, Vol. 63 ›› Issue (2): 240-246.doi: 10.14088/j.cnki.issn0439-8114.2024.02.036

油菜、龙葵、苎麻对镉、砷复合污染农田土壤的修复效果

李泉¹, 陈仪¹, 刘莉¹, 赵前礼², 何贝¹, 杜凡¹

1.湖北省地质四队资源环境勘查有限责任公司,湖北咸宁 437100;
2.湖北省地质局第四地质大队,湖北咸宁 437100

收稿日期:2022-12-14 出版日期:2024-02-25 发布日期:2024-03-14
通讯作者: 刘莉（1987-）,女,湖北神农架人,主要从事农业环保研究,（电话）13886537198（电子信箱）1012706145@qq.com。
作者简介:李泉（1990-）,女,湖北咸宁人,工程师,博士,主要从事环境土壤修复研究,（电话）15571568656（电子信箱）331088991@qq.com;
共同第一作者,陈仪（1994-）,女,湖北咸宁人,助理工程师,主要从事农业环保研究,（电话）17771443915（电子信箱）2571277178@qq.com。

Repair effect of rapeseed, Solanum nigrum and ramie on farmland soil contaminated by cadmium and arsenic

LI Quan¹, CHEN Yi¹, LIU Li¹, ZHAO Qian-li², HE Bei¹, DU Fan¹

1. Hubei Provincial Fourth Geological Brigade Resources and Environment Exploration Co.,Ltd., Xianning 437100,Hubei,China;
2. Fourth Geological Brigade of Hubei Geological Bureau, Xianning 437100,Hubei,China

Received:2022-12-14 Online:2024-02-25 Published:2024-03-14

摘要/Abstract

摘要： 以油菜、龙葵、苎麻为试材,采用室内盆栽试验研究了油菜、龙葵、苎麻对耕地土壤中Cd和As的吸附效果和富集转移效应,并施加沼泽红假单胞菌和黑曲霉两种微生物,探讨了微生物对油菜、龙葵和苎麻净化重金属污染土壤的应用潜力。结果表明,油菜和龙葵对土壤中重金属Cd的吸附效果较好,表现出富集特性,而苎麻植株对Cd的吸收效果较差。其中油菜植株体内Cd含量大小表现为油菜茎杆>油菜根>油菜子,龙葵植株体内Cd含量大小表现为龙葵茎>龙葵果>龙葵根;油菜、龙葵、苎麻对土壤中As吸附效果均较差;沼泽红假单胞菌和黑曲霉两种微生物对促进油菜、龙葵和苎麻吸收土壤中Cd和As的作用均较小。油菜更适宜用作Cd重金属污染土壤的修复植物。

关键词: 油菜, 龙葵, 苎麻, 耕地, 植物修复, 重金属

Abstract: Taking rapeseed, Solanum nigrum, and ramie as test materials, the adsorption and enrichment of Cd and As in cultivated soil by rapeseed, Solanum nigrum and ramie were studied in pot experiment. Two microorganisms, Rhodopseudomonas palustris and Aspergillus niger, were applied to explore the application potential of rapeseed, Solanum nigrum and ramie to purify heavy metals polluted soil. The results showed that rapeseed and Solanum nigrum had better adsorption effects on Cd in soil, showing enrichment characteristics, while ramie plants had a poor absorption effect on Cd. The order of Cd content in rapeseed plants was： stem>root>seed, and the order of Cd content in Solanum nigrum plants was： stem>fruit>root. The adsorption effect of rapeseed, Solanum nigrum and ramie on As in soil was poor. Rhodopseudomonas palustris and Aspergillus niger had little effect on the absorption of Cd and As in the soil by rapeseed, Solanum nigrum and ramie. Rapeseed was more suitable as a remediation plant for polluted soil by Cd.

Key words: rapeseed, Solanum nigrum, ramie, farmland, phytoremediation, heavy metals

中图分类号:

李泉, 陈仪, 刘莉, 赵前礼, 何贝, 杜凡. 油菜、龙葵、苎麻对镉、砷复合污染农田土壤的修复效果[J]. 湖北农业科学, 2024, 63(2): 240-246.

LI Quan, CHEN Yi, LIU Li, ZHAO Qian-li, HE Bei, DU Fan. Repair effect of rapeseed, Solanum nigrum and ramie on farmland soil contaminated by cadmium and arsenic[J]. HUBEI AGRICULTURAL SCIENCES, 2024, 63(2): 240-246.

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油菜、龙葵、苎麻对镉、砷复合污染农田土壤的修复效果

Repair effect of rapeseed, Solanum nigrum and ramie on farmland soil contaminated by cadmium and arsenic

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