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- Strobel, Bjarne W., et al. Show all 5 Authors
- Acta agriculturæ Scandinavica 2011 v.61 no.6 pp. 577-581
- EDTA (chelating agent); cadmium; calcareous soils; cleaning; cleaning agents; copper; heavy metals; humic substances; lead; nickel; nitrilotriacetic acid; polluted soils; toxicity; washing
- ... Soils contaminated with heavy metals constitute a serious and widespread ecological problem but to clean such soils requires strong chemicals such as polycarboxylates; frequently ethylenediaminetetraacetic acid and nitrilotriacetic acid are used. However, these compounds are synthetic and toxic and their replacement by natural products such as soluble humic substances as washing agents for cleanin ...