Kimble - Plant Nutrition Group

plantnutrition.ethz.ch

Kimble - Plant Nutrition Group

Why the Interest in Soil Carbon?• Terrestrial systems can help mitigate increases ofatmospheric CO 2 by sequestering C into soils andvegetation.• Soil C is a large pool and small changes can have asignificant impact.• Globally, SOC pools are estimated at 1100 to 1600 Pg morethat 2 times that in vegetation (560 Pg), or in theatmosphere (750 Pg)• It is estimated that soil has the potential to offset 30%of the annual CO 2 emissions– The economic potential is ~30-50% of that value

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