Document Detail


Application of a rotation system to oilseed rape and rice fields in Cd-contaminated agricultural land to ensure food safety.
MedLine Citation:
PMID:  25108175     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
This field experiment analyzed the phytoremediation effects of oilseed rape in moderately cadmium (Cd)-contaminated farmland and the food safety of successive rice in an oilseed rape-rice rotation system. Two oilseed rape cultivars accumulated Cd at different rates. The rapeseed cultivar Zhucang Huazi exhibited high Cd accumulation rates, higher than the legal limit for human consumption (0.2mgkg(-1)); Cd concentrations in the cultivar Chuanyou II-93 were all below the maximum allowed level. Planting oilseed rape increased the uptake of Cd by the successive rice crop compared with a previous fallow treatment. Most Cd concentrations of brown rice were below the maximum allowed level. The phytoextraction efficiency was lower in the moderately Cd-contaminated soil in field experiments. The results suggest screening rice cultivars with lower Cd accumulation can assure the food safety; the mobilization of heavy metals by roots of different plant species should be considered during crop rotation to assure food safety.
Authors:
Lingling Yu; Junyan Zhu; Qingqing Huang; Dechun Su; Rongfeng Jiang; Huafen Li
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-8-6
Journal Detail:
Title:  Ecotoxicology and environmental safety     Volume:  108C     ISSN:  1090-2414     ISO Abbreviation:  Ecotoxicol. Environ. Saf.     Publication Date:  2014 Aug 
Date Detail:
Created Date:  2014-8-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7805381     Medline TA:  Ecotoxicol Environ Saf     Country:  -    
Other Details:
Languages:  ENG     Pagination:  287-293     Citation Subset:  -    
Copyright Information:
Copyright © 2014. Published by Elsevier Inc.
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