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- W339293313 abstract "The concept of this study was based on the evaluation of the impact of copper (Cu), zinc (Zn) and hydrogen protons (H + ) on selected chemical characteristics of two arable soils: light loamy sand (No. 1) and silty soil (No. 2). The targeted chemical alterations of the soils concerned pH changes, water soluble forms of Cu and Zn and displaced alkaline cations as induced by Cu, Zn and H incorporation. Preliminarily, the amounts of exchangeable alkaline cations (ExAC = Caex + Mgex + Kex + Naex) were extracted by using 1 M CH3COONH4, pH 7.0 and these amounts were used for calculating amounts of Cu, Zn and H to be incorporated as follows: copper as CuSO4 5H2O, zinc as ZnSO4 7H2O and hydrogen in the form of HCl at spiking rates corresponding to 0, 5, 10, 30, 60, 100, 150, 200, 300, 400, 500 and 1000 % of ExAC. Treatments were incubated for 16 weeks at 18 o C and kept at 75–85 % WHC (water holding capacity). Copper, zinc and hydrogen effects on soil chemical properties can be first observed throughout pH changes, which were more pronounced for H treatments as compared with Cu and Zn ones. The amounts of water extractable Ca (ie displaced) at Cu and Zn spiking rates of 1000 % ExAC are 25 and 21 times higher, respectively, for the soil No. 1 (light loamy sand), whereas for the soil No. 2 (silty soil), 44 and 38 times higher, as compared with the control treatment. The impact of H is intermediate and represents 24 and 35 times, for the soils No. 1 and No. 2, respectively. Results reported in the paper drive specific attention on the destructive effects of Cu, Zn and H, separately. The joint impact of these metals along with protons is the core of agroenvironmental concern. The chemical degradation established on the basis of water extractable alkaline cations (WEAC) follows the range: H > Cu > Zn." @default.
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- W339293313 date "2009-01-01" @default.
- W339293313 modified "2023-09-27" @default.
- W339293313 title "Assessment of Chemical Degradation of Selected Soil Properties as Induced by Copper, Zinc and Hydrogen" @default.
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