Changes in fract ionation of copper, cadmium, lead, zinc and chromium in the rhizosphere of maize during a period of 100 days were investigated using rootmat box.It was shown that there were significant changes in all forms of copper and cadmium and some forms of zinc and lead.The changes varied in direction and magnitude during the experimental period.Uptake of plant remarkably influenced exchangeable copper and carbonate bound copper and zinc.
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Chen You-jian, Huang Yi, Cao Jun, Tao Shu. CHANGES IN FRACTIONS OF HEAVY METALS IN MAIZE RHIZOSPHERE SOIL[J]. Acta Pedologica Sinica,2003,40(3):367-373.