Reduced cadmium(Cd) accumulation in lettuce plants by applying KMnO<sub>4</sub> modified water hyacinth biochar.

Heliyon · 2022 · PMC9674871 · PMID 36411895

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a decreasing trendno p-value reported

Also, experimental results showed that with the increase of modified biochar addition, Cd uptake in lettuce phants and available Cd content in soil showed a decreasing trend.

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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.