Reducing greenhouse gas emissions from pig slurry by acidification with organic and inorganic acids.

PLoS One · 2022 · PMC9070912 · PMID 35511811

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Nitric acid reduced CH 4 emission severely, but treatment with HNO 3 to pH 6.25, which was the lowest dosage of HNO 3 , showed a trend of increasing CH 4 emission by the end of the experiment ( Fig 2A ).

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