How are dowels used to grow edible fungus?
Dowels can be 'inoculated' (injected) with edible mushroom spores. These spores spread along the grain of the wood, turning the dowels into seeds that can be 'planted' into a log.
Holes are drilled all over the log.
Treated dowels are inserted, then covered over with hot wax.
The log is then left in a shady area under trees or shrubs for a few months, until the spores grow through the log.
Eventually, the fungi will 'flower', and can then be picked and eaten. More mushrooms may then grow back in their place.