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1996,6
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Pedosphere
1996,6
(4)
Zn-Cu interaction affecting Zn adsorption and plant availability in a metal-contaminated soil.
作 者：
Rimmer DL;Luo YongMing;Luo YM
单 位：
;Department of Agricultural and Environmental Science, University of Newcastle upon Tyne, Newcastle upon Tyne NE1 7RU, UK.
关键词：
adsorption plant availability calcium chloride;pollution zinc sorption soil copper cadmium lead polluted soils;heavy metals;uk
摘 要：
The control of the amount of plant-available Zn by competitive adsorption between Cu and Zn was studied in a metal contaminated soil from Northumberland, UK, by assessing the adsorption of Zn alone, and in the presence of added Cd, Cu and Pb. Following adsorption, the extractability of the Zn in CaCl2 solution was measured. The adsorption isotherms showed that of the added metals only Cu had a large effect on Zn adsorption, reducing Zn adsorption and increasing the amount of CaCl2-extractable (plant-available) Zn. The magnitude of the effect of Cu on plant-available Zn was similar to previous experiments.
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