Greenhouse gas (GHG) balance of biomass grown for biogas production on rewetted agricultural fen peatland

Authors:
Poul Erik Lærke, Tanka P. Kandel, Sandhya Karki and Lars Elsgaard

Book:
Proceedings of the 15th International Peat Congress

Venue:
Kuching

Keywords:
carbon-dioxide, methane, nitrous-oxide, paludiculture, wetland

Documentfile:
ipc16p300a118laerkekandel.etal_.pdf

Summary:

Rewetting has been recommended to reduce CO2 emission and to restore the carbon sink function of drained
peatland. Paludiculture, the combination of peatland rewetting and biomass production, has gained interest as a
possible land use option without losing agricultural land. Biogas production is one possible option if grass biomass
is produced in paludiculture. However, more knowledge on suitable crops and their effects on the GHG balance is
needed. With intact soil cores (mesocosms) we have shown that the GHG emission from cultivation of reed canary…