Abstract:Establishing Cu and Zn transport limits to soil solution, may be a parameter to regulate maximum allowable concentrations of these heavy metals in soils. The study aimed to estimate Cu and Zn contents in soil mixtures with varying clay and soil organic matter (SOM) contents, from which the two heavy metals are transported to the soil solution. Samples of the Bw horizon of a Oxisol and of the A horizon of a Inceptisol were used to make soil mixtures with clay contents ranging from 170 to 700 g kg− 1 and SOM ran… Show more
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