Reply to Sun: Real-world bulk density changes support high carbon sequestration potential of biochar.

Proc Natl Acad Sci U S A · 2026 · PMC12798954 · PMID 41499394

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a significant trendno p-value reported

As a result, the absence of a significant trend in that figure does not support the conclusion they draw.

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highly significantno p-value reported

When the appropriate data are analyzed, namely, the data from soils receiving biochar, strong and highly significant relationships between application rate and bulk density appear for both paddy and upland soils ( Fig. 1 C and D ).

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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.