Relationships between dairy slurry total solids, gas emissions, and surface crusts

Journal of Environmental Quality
J D WoodA Madani

Abstract

Livestock slurry storages are sources of methane (CH₄), nitrous oxide (NO₂), and ammonia (NH₃) emissions. Total solids (TS) content is an indicator of substrate availability for CH₄ and N₂O production and NH₃ emissions and is related to crust formation, which can affect these gas emissions. The effect of TS on these emissions from pilot-scale slurry storages was quantified from 20 May through 16 Nov. 2010 in Nova Scotia, Canada. Emissions from six dairy slurries with TS ranging from 0.3 to 9.5% were continuously measured using flow-through steady-state chambers. Methane emissions modeled using the USEPA methodology were compared with measured data focusing on emissions when empty storages were filled, and retention times were >30 d with undegraded volatile solids (VS) remaining in the system considered available for CH₄ production (VS carry-over). Surface crusts formed on all the slurries. Only the slurries with TS of 3.2 and 5.8% were covered completely for ∼3 mo. Nitrous oxide contributed <5% of total greenhouse gas emissions for all TS levels. Ammonia and CH₄ emissions increased linearly with TS despite variable crusting, suggesting substrate availability for gas production was more important than crust formation in regulati...Continue Reading

References

Mar 11, 2005·Journal of Environmental Quality·Tom H MisselbrookDan F McCrory
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Citations

Jun 14, 2013·Animal : an International Journal of Animal Bioscience·S O PetersenS G Sommer
May 20, 2014·Journal of Environmental Management·Ramaprasad MajumderStefan K Arndt
Sep 12, 2015·The Science of the Total Environment·Lars ElsgaardSøren O Petersen
Nov 12, 2013·The Science of the Total Environment·J WebbBrian Donovan
Jan 28, 2018·Applied and Environmental Microbiology·Jemaneh HabtewoldKari Dunfield
Dec 12, 2017·Journal of Dairy Science·Søren O Petersen
Jan 11, 2020·Environmental Technology·Vera K SokolovRobert Gordon
Oct 8, 2019·Journal of Environmental Quality·Vera SokolovRobert Gordon
May 16, 2013·Journal of Environmental Quality·Yun-Feng DuanSøren O Petersen
May 8, 2020·Animal Science Journal = Nihon Chikusan Gakkaihō·Adebukunola Olufunmilayo LalaJos G M Houdijk
Nov 30, 2016·Journal of Environmental Quality·Etienne L Le RicheRobert J Gordon
Nov 30, 2016·Journal of Environmental Quality·N M NgwabieC Wagner-Riddle
Feb 9, 2017·Journal of Environmental Quality·J HabetwoldK E Dunfield
Nov 30, 2016·Journal of Environmental Quality·Hambaliou BaldéRaymond L Desjardins
Aug 8, 2017·Journal of Environmental Quality·Francesca PerazzoloGiorgio Provolo
Oct 6, 2020·Journal of Environmental Quality·Etienne L Le RicheRobert Gordon
Jan 21, 2015·Journal of Environmental Quality·Richard H Grant, Matthew T Boehm
Feb 2, 2016·Journal of Environmental Quality·Jenifer L Wightman, Peter B Woodbury
Oct 13, 2020·The Science of the Total Environment·S L TrabueM van Weelden

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