Arid
DOI10.3390/su14148891
Changes of Microbial Diversity in Rhizosphere of Different Cadmium-Gradients Soil under Irrigation with Reclaimed Water
Cui, Jiaxin; Li, Ping; Qi, Xuebin; Rahman, Shafeeq Ur; Zhang, Zulin
通讯作者Qi, XB
来源期刊SUSTAINABILITY
EISSN2071-1050
出版年2022
卷号14期号:14
英文摘要Water scarcity and the uneven distribution of water resources in China have resulted in water shortages for agricultural irrigation in arid and semi-arid areas. Reclaimed water used for agricultural irrigation has become an effective solution in the context of the global water shortage. In order to improve soil productivity and solve the shortage of water resources, we carried out reclaimed water irrigation experiments on polluted soil. Compared with full irrigation treatments, the EC value of reclaimed water under deficit irrigation treatments decreased by 2.89-42.90%, and the content of organic matter increased by 6.31-12.10%. The proportion of Acidobacteria community in soils with different cadmium concentration gradients irrigated with reclaimed water ranged from 13.6% to 30.5%, its relative abundance decreased with the increase of soil cadmium concentration. In particular, the relative abundance of Pseudomonas pathogens in deficit irrigation treatments was lower than that of the full irrigation treatments. RDA analysis showed that the environmental factors that played a leading role in the change of microbial community structure were organic matter and pH. Furthermore, the metabolic function potential of the rhizosphere soil bacterial community in deficit irrigation treatments was higher than that of full irrigation treatments with reclaimed water. This study proved that reclaimed water irrigation for cadmium contaminated soil did not aggravate the pollution level and promoted the soil ecological environment with better microbial community diversity.
英文关键词cadmium pollution reclaimed water microbial diversity relative abundance metabolic pathway
类型Article
语种英语
开放获取类型gold
收录类别SCI-E ; SSCI
WOS记录号WOS:000834428600001
WOS关键词BACTERIAL COMMUNITY STRUCTURE ; WASTE-WATER ; LONG-TERM ; SP-NOV ; CROPS ; PH ; ACCUMULATION ; FERTILITY ; IMPACT ; SHIFTS
WOS类目Green & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies
WOS研究方向Science & Technology - Other Topics ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/394608
推荐引用方式
GB/T 7714
Cui, Jiaxin,Li, Ping,Qi, Xuebin,et al. Changes of Microbial Diversity in Rhizosphere of Different Cadmium-Gradients Soil under Irrigation with Reclaimed Water[J],2022,14(14).
APA Cui, Jiaxin,Li, Ping,Qi, Xuebin,Rahman, Shafeeq Ur,&Zhang, Zulin.(2022).Changes of Microbial Diversity in Rhizosphere of Different Cadmium-Gradients Soil under Irrigation with Reclaimed Water.SUSTAINABILITY,14(14).
MLA Cui, Jiaxin,et al."Changes of Microbial Diversity in Rhizosphere of Different Cadmium-Gradients Soil under Irrigation with Reclaimed Water".SUSTAINABILITY 14.14(2022).
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