Underestimation of carbon dioxide emissions from organic-rich agricultural soils
Zhi Liang,
Cecilie Hermansen,
Peter L. Weber
et al.
Abstract:Organic-rich agricultural soils, including drained peatlands, are hotspots for biogenic CO2 emissions. Due to microbial mineralisation, the organic carbon (OC) content of these soils transitions to that of mineral soils, but it remains unclear how the residual OC content controls the rate of CO2 emission. Here we show that area-scaled CO2 emissions from topsoils with >6% OC are not controlled by OC content and OC density in a comprehensive laboratory incubation experiment. National greenhouse gas inventorie… Show more
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