Publications by authors named "Kexiu Wang"
Artificial soil is often sprayed onto cut slopes alongside railroad tracks to promote revegetation. This study evaluated the heavy metal content and the distribution of heavy metal chemical fractions in the soil, as well as the uptake of heavy metals by plants. The soil at four sites was determined to be considerably contaminated with Cd and Pb.
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- Heavy metal contamination in railway cut slopes can hinder revegetation efforts, prompting a study of soil samples from slopes affected by different railway operation times.
- The results indicated that cadmium (Cd) and lead (Pb) levels increased with longer railway operation, while other metals (chromium, copper, zinc, iron) showed no significant changes.
- Cadmium was found to be particularly problematic, with higher contamination levels compared to past studies, attributed to factors like railway operations and material leaks, while other metals likely originate from natural sources.