...and then add more every year as it breaks down
After time when the organics/wood chips decompose, and because of all the original sand in the run, you'll have something similar to a nice potting soil mix that you can harvest for gardening purposes.
After time when the organics/wood chips decompose, and because of all the original sand in the run, you'll have something similar to a nice potting soil mix that you can harvest for gardening purposes.
