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Safe utilization of heavy-metal-contaminated farmland by mulberry tree cultivation and silk production
Wan, Xiaoming; Lei, Mei; Chen, Tongbin; Tan, Yongbi; Yang, Junxing
2017-12-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume599Pages:1867-1873
Corresponding AuthorLei, Mei(leim@igsnrr.ac.cn)
AbstractHeavy-metal-contaminated soil threatens human health and environmental safety. Complete remediation of contaminated soil is expensive; therefore, phytomanagement has emerged as a cost-effective alternative. The current study investigated mulberry tree (Moro alba) plantation, silkworm cultivation, and silk production as phytomanagement options. Results defined the safety of planting mulberry trees in soils with lead (Pb) and arsenic (As) concentrations lower than 369 and 180 mg kg(-1), respectively. Silkworms fed with mulberry leaves collected from slightly contaminated soil exhibited productive growth and normal silk production. The silk, silkworm chrysalis, and silkworm fecal matter reached the national standards for textiles, feed, and agricultural sludge, respectively. Based on risk assessment, planting mulberry trees instead of rice significantly decreased the human health risk from contaminated soil. The total carcinogenic risk (Risk(d)) and noncarcinogenic risk (HQ(d)) derived from mulberry tree plantation and textile production were 2.4 x 10(-8) and 6.7 x 10(-5), respectively, whereas those derived from rice plantation and ingestion were 0.44 and 18.4, respectively. Cost-benefit analysis showed that a mulberry tree plantation can yield $25,675 for every 1 ha soil, whereas a rice plantation can yield $8409 for the same area. Moreover, phytoextraction requires $50,000-$150,000 to remediate 1 ha of soil. Therefore, constructing a mulberry tree plantation with silkworm culture and silk production is a safe means to utilize slightly contaminated soil. (C) 2017 Elsevier B.V. All rights reserved.
KeywordHeavy metal Mulberry tree Phytomanagement Risk assessment Silkworm
DOI10.1016/j.scitotenv.2017.05.150
WOS KeywordPTERIS-VITTATA L. ; BOMBYX-MORI L. ; RISK-ASSESSMENT ; TRACE-ELEMENTS ; HUMAN EXPOSURE ; SOIL ; CHINA ; PHYTOMANAGEMENT ; DETOXIFICATION ; ACCUMULATION
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41301547] ; Program for Bingwei Excellent Talents in the Institute of Geographic Sciences and Natural Resources Research, CAS ; Youth Innovation Promotion Association of Chinese Academy of Sciences
Funding OrganizationNational Natural Science Foundation of China ; Program for Bingwei Excellent Talents in the Institute of Geographic Sciences and Natural Resources Research, CAS ; Youth Innovation Promotion Association of Chinese Academy of Sciences
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000405253500080
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/62841
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,Chen, Tongbin,et al. Safe utilization of heavy-metal-contaminated farmland by mulberry tree cultivation and silk production[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2017,599:1867-1873.
APA Wan, Xiaoming,Lei, Mei,Chen, Tongbin,Tan, Yongbi,&Yang, Junxing.(2017).Safe utilization of heavy-metal-contaminated farmland by mulberry tree cultivation and silk production.SCIENCE OF THE TOTAL ENVIRONMENT,599,1867-1873.
MLA Wan, Xiaoming,et al."Safe utilization of heavy-metal-contaminated farmland by mulberry tree cultivation and silk production".SCIENCE OF THE TOTAL ENVIRONMENT 599(2017):1867-1873.
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