Paul Hawken introduced the notion of building in the value of products that help or hurt the commons, a notion he called Natural Capitalism. What is the value of charcoal when you factor in it's benefits to our shared lands?
Those research papers on nutrient retion, that's a lot of fertilizer kept out of our water systems. Fertility quickly becomes a waste problem.
Nearly half of the CO2 that would have gone into the air as the wood rooted away becomes sequestered as carbon that's locked in and enhancing soil for a long time.
Prevention of fire danger
Forest restoration decreases fire danger and returns damaged land back towards old growth systems.