Comment by PaulHoule

Mostly.

Remember the orange trees took the CO2 out of the atmosphere to make the peels. Some of it, probably most of it, is going back into the atmosphere but some of it is going to become soil carbon which could be retained for decades

https://en.wikipedia.org/wiki/Soil_carbon

Soil carbon is like dark matter in that there is a lot of it and it is poorly understood.