Comparison of seven chemical pretreatments of corn straw for improving methane yield by anaerobic digestion.

PLoS One · 2014 · PMC3973592 · PMID 24695485

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a decreasing trendno p-value reported

an increasing trendno p-value reported

The pH curves of all pretreatments were similar, showing a decreasing trend in the initial 10 d and an increasing trend thereafter, slight fluctuations between days 10 to 20.

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