Articles | Volume 16, issue 23
Biogeosciences, 16, 4601–4612, 2019
https://doi.org/10.5194/bg-16-4601-2019
Biogeosciences, 16, 4601–4612, 2019
https://doi.org/10.5194/bg-16-4601-2019

Research article 05 Dec 2019

Research article | 05 Dec 2019

Effects of sterilization techniques on chemodenitrification and N2O production in tropical peat soil microcosms

Steffen Buessecker et al.

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We investigated the potential for chemical reduction of nitrite into nitrous oxide (N2O) in soils from tropical peat. Among treatments, irradiation resulted in the lowest biological interference and least change of native soil chemistry (iron and organic matter). Nitrite depletion was as high in live or irradiated soils, and N2O production was significant in all tests. Thus, nonbiological production of N2O may be widely underestimated in wetlands and tropical peatlands.
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