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New Publication from the BZE-LW data

Christopher Poeplau et al.: Roots are key to increasing the mean residence time of organic carbon entering temperate agricultural soils

Mean residence time of organic carbon entering the soil (MRTOC) in topsoils of croplands and grasslands as a function of the proportion of root-derived C input.
© Christopher Poeplau et al.

Mean residence time of organic carbon entering the soil (MRTOC) in topsoils of croplands and grasslands as a function of the proportion of root-derived C input.

The mean residence time of carbon entering German agricultural soils is 21 years (19 years in cropland soils, 29 years in grassland soils). The difference between croplands and grasslands was explained by the difference in the proportion of root-derived carbon. Increasing root biomass in agricultural systems can increase the efficiency of soil carbon sequestration.

https://onlinelibrary.wiley.com/doi/10.1111/gcb.15787?af=R

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