Uptake of Chromium by Portulaca Oleracea from Soil: Effects of Organic Content, pH, and Sulphate Concentration

Figure 1

(a) Concentrations of total chromium in both shoots and roots of Portulaca oleracea, (b) concentrations of total chromium and Cr(VI) in the soil, and (c) change in bioaccumulation factors of total chromium and Cr(VI) at different levels of organic content in soil (mean of five replicates ± SE, 95% CLs).

(a)

(b)

(c)