LI Zhang-wei,YI Ben-liang,LIU Zhi-xiang(Department of Chemistry,Hanshan Normal University,Chaozhou,Guangdong 521041)
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Abstract:
The fractionation of Pb in tea garden soils and the relationships between Pb fraction and soil properties,Pb contents in tea leaves were studied by collecting the tea garden soils from 12 tea gardens of Fenghuang mountain in east of Guangdong province.The results showed that the distribution of chemical fractions of Pb in the tea garden soils were decreased in the order: Residual-Pb>Fe/Mn oxides-Pb>exchangeable-Pb>organic-Pb>carbonate-Pb.Correlation analyses showed that soil organic matter was significantly...