publication . Article . 1996

Short exposure to acetylene to distinguish between nitrifier and denitrifier nitrous oxide production in soil and sediment samples1

Kester, R.A.; De Boer, W.; Laanbroek, H.J.;
Open Access
  • Published: 01 Jan 1996 Journal: FEMS Microbiology Ecology, volume 20, pages 111-120 (issn: 0168-6496, Copyright policy)
  • Publisher: Oxford University Press (OUP)
  • Country: Netherlands
The contribution of nitrifiers and denitrifiers to the nitrous oxide production in slurries of calcareous silt loam and river bank sediment at different oxygen concentrations was determined using acetylene as nitrification inhibitor. The addition of 10 Pa acetylene resulted in inhibition of nitrous oxide production at oxic conditions, but strongly enhanced the nitrous oxide production at oxygen-poor and anoxic conditions. Inhibition of nitrification by short exposure (1 to 24 h) to high concentrations of acetylene (100 Pa to 10 kPa) was tested using the same samples. After the removal of acetylene, nitrification was inhibited almost completely (82% to 89%) for a...
Medical Subject Headings: equipment and suppliesinorganic chemicals
free text keywords: Nitrous oxide emission, Nitrification, Denitrification, Soil, Sediment, Ecology, Applied Microbiology and Biotechnology, Microbiology, Environmental exposure, Anoxic waters, Nitrogen, chemistry.chemical_element, chemistry, Botany, Environmental chemistry, Loam, Nitrous oxide, chemistry.chemical_compound, Biology, Nitrate
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