High-solid Anaerobic Co-digestion of Sewage Sludge and Cattle Manure: The Effects of Volatile Solid Ratio and pH.

Sci Rep · 2016 · PMC5057105 · PMID 27725704

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a decreasing trendno p-value reported

Propionic acid also increased as the fermentation time increased from day 2 to day 12, reaching a maximum production of 21.08 ± 0.55 g/kg-TS at a percentage of 21.44 ± 0.56%, before showing a decreasing trend as the fermentation time increased.

also in 47,180 other papers

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.