Wood shavings leach Nitrogen from the soil. I guess if you compensate by adding more N, it would work. Maybe that's why the studies show it. More N was added.
Now you're talking. Burlap & the ATV and we're good to go.
Now that rocks!
Do you add that to your compost while it's cooking?
It was charred and then charged with ACT then mixed into soil and vermicompost.