Soil and plant factors influencing the accumulation of heavy metals by plants.

Environ Health Perspect · 1978 · PMC1637297 · PMID 367766

Europe PMC DOI

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may be significantno p-value reported

Increases in soil-metal levels may be significant in cases of localized pollution such as in disposal of bottom ash and scrubber wastes from fossil fuel combustion, industrial wastes and municipal sewage sludges re- sulting in detectable increases in plants.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.