Rethinking connection between soil as a carbon reservoir and global warming

The soil plays a key role in the ecosystem, economy and global carbon cycle. After the oceans, the humus is the largest carbon reservoir. If the humus decreases, additional CO2 gets into the atmosphere. A research team headed by the University of Zurich has now discovered that the soil environment determines humus depletion, which means the question as to how soils respond to global climate change needs to be readdressed.

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