NDLI: Research on soil cadmium and lead speciation and their transfers from soil to crop in southern Jiangsu

Content Provider	IEEE Xplore Digital Library
Author	Xuyin Yuan Jizhou Li Minxia Ge Junqing Xiao
Copyright Year	2011
Description	Author affiliation: School of the Environment, Hohai University, Nanjing 210098, China (Xuyin Yuan; Jizhou Li; Minxia Ge; Junqing Xiao)
Abstract	The southern Jiangsu is one of developed areas in China. Intensive anthropogenic activities conduce the toxic metal contamination of soils. Cadmium and Lead are common toxic metals in soils. They have significant impacts on corps. Analysis results of samples showed Pb was even distributed and Cd was variable distributed in the study area. Difference presented in the chemical forms of Pb and Cd in soils. Lead fractions followed the order Fe-Mn Oxide > residual > organic and sulfide > carbonate >exchangeable. Cadmium fractions revealed exchangeable > organic and sulfide > carbonate > residual > Fe-Mn Oxide. The transfer coefficients from soil to rice and wheat grain also exhibited a large dissimilarity for Pb and Cd. Rice and wheat grain only assimilated 0.18%–0.67% of soil Pb, but absorbed 1.1%–88.9% of soil Cd, which was remarkable high for Cd in the soil-crop system. Correlations between soil components and transfer coefficients showed those components made different effects on absorption of crops. The elevations of TOC, pH and Ca of soil can restrain crop absorption on Pb and Cd, and high Al and Fe can promote crop absorption on Pb and Cd in southern Jiangsu.
Starting Page	4346
Ending Page	4349
File Size	310953
Page Count	4
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5965293
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cadmium Soils Absorption Southern Jiangsu Lead Soil Agriculture Metal fractionation Aluminum oxide
Content Type	Text
Resource Type	Article

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