Woops you're totally right, so that's shaves off a lot. I found a resource that says a young tree captures about 5kg per year. The 20kg per year figure is for a

Woops you're totally right, so that's shaves off a lot. I found a resource that says a young tree captures about 5kg per year. The 20kg per year figure is for a 10 year old tree. That brings it down to having to plant about 110 trees every year for 5 years.