Document Detail

Field demonstration of reduction of lead availability in soil and cabbage (Brassica Chinensis L.) contaminated by mining tailings using phosphorus fertilizers.
MedLine Citation:
PMID:  16365925     Owner:  NLM     Status:  MEDLINE    
A field demonstration of reduction of lead availability in a soil and cabbage (Brassica Chinensis L.) contaminated by mining tailings, located in Shaoxing, China was carried out to evaluate the effects of applications of phosphorus fertilizers on Pb fractionation and Pb phyto-availability in the soil. It was found that the addition of all three P fertilizers including single super phosphate (SSP), phosphate rock (PR), and calcium magnesium phosphate (CMP) significantly decreased the percentage of water-soluble and exchangeable (WE) soil Pb and then reduced the uptake of Pb, Cd, and Zn by the cabbage compared to the control (CK). The results showed that the level of 300 g P/m(2) soil was the most cost-effective application rate of P fertilizers for reducing Pb availability at the first stage of remediation, and that at this P level, the effect of WE fraction of Pb in the soil decreased by three phosphorus fertilizers followed the order: CMP (79%)>SSP (41%)>PR (23%); Effectiveness on the reduction of Pb uptake by cabbage was in the order: CMP (53%)>SSP (41%)>PR (30%). Therefore our field trial demonstrated that it was effective and feasible to reduce Pb availability in soil and cabbage contaminated by mining tailings using P fertilizers in China and PR would be a most cost-effective amendment.
Zheng-Miao Xie; Bi-Ling Wang; Ye-Fang Sun; Jing Li
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of Zhejiang University. Science. B     Volume:  7     ISSN:  1673-1581     ISO Abbreviation:  J Zhejiang Univ Sci B     Publication Date:  2006 Jan 
Date Detail:
Created Date:  2005-12-20     Completed Date:  2006-02-01     Revised Date:  2013-06-07    
Medline Journal Info:
Nlm Unique ID:  101236535     Medline TA:  J Zhejiang Univ Sci B     Country:  China    
Other Details:
Languages:  eng     Pagination:  43-50     Citation Subset:  IM    
Institute for Soil and Water Resource and Environment, Zhejiang University, Hangzhou 310029, China.
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MeSH Terms
Biodegradation, Environmental / drug effects
Brassica / drug effects,  metabolism*
Chemical Fractionation / methods
Industrial Waste / analysis*,  prevention & control
Lead / analysis,  chemistry*,  pharmacokinetics*
Phosphates / administration & dosage,  chemistry*
Soil Pollutants / analysis*,  pharmacokinetics*
Reg. No./Substance:
0/Fertilizers; 0/Industrial Waste; 0/Phosphates; 0/Soil Pollutants; 7439-92-1/Lead

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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