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Intercropping efficiency of four arsenic hyperaccumulator Pteris vittata populations as intercrops with Morus alba
Wan, Xiaoming; Lei, Mei
2018-05-01
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
Volume25Issue:13Pages:12600-12611
Corresponding AuthorLei, Mei(leim@igsnrr.ac.cn)
AbstractSoils that are slightly or moderately contaminated with arsenic (As) can be safely utilized by intercropping As hyperaccumulator Pteris vittata with cash crops. Introducing hyperaccumulators into crop planting systems results in the alleviation of the adverse effects of As and competition effect for resources. The balance between these two effects determines intercropping efficiency. The effect of using different hyperaccumulator populations on such balance is the focus of this study. Through a tank experiment, four P. vittata populations were compared on the basis of their intercropping efficiencies and physiological and morphological characteristics. The evaluation of the intercropping efficiency of P. vittata was mainly based on the capabilities of the species to promote growth and decrease As concentrations in intercropped Morus alba. Two populations of P. vittata were appropriate for intercropping with M. alba, with the alleviation effect of As harm as the main effect on the intercropping system. These populations showed extensive root overlap with M. alba and efficient uptake of bioavailable As, thus depleting As in the rhizosphere and lowering As risk. After different P. vittata populations were used, varied interspecific interactions were observed. Root overlap and aboveground morphological parameters are the key factors determining intercropping efficiency among P. vittata populations.
KeywordArsenic distribution Arsenic fraction Intercropping Morus alba Pteris vittata
DOI10.1007/s11356-018-1366-y
WOS KeywordCONTAMINATED-SOILS ; SOUTHERN CHINA ; ROOT ; MAIZE ; GROWTH ; L. ; PHYTOEXTRACTION ; SYSTEM ; FERN ; FRACTIONATION
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFD0800900] ; National Natural Science Foundation of China[41301547] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000431883500037
PublisherSPRINGER HEIDELBERG
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/55080
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLei, Mei
AffiliationChinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Wan, Xiaoming,Lei, Mei. Intercropping efficiency of four arsenic hyperaccumulator Pteris vittata populations as intercrops with Morus alba[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2018,25(13):12600-12611.
APA Wan, Xiaoming,&Lei, Mei.(2018).Intercropping efficiency of four arsenic hyperaccumulator Pteris vittata populations as intercrops with Morus alba.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,25(13),12600-12611.
MLA Wan, Xiaoming,et al."Intercropping efficiency of four arsenic hyperaccumulator Pteris vittata populations as intercrops with Morus alba".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 25.13(2018):12600-12611.
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