A properly maintained composting toilet produces what is effectively compost. It smells like soil, not poop. I believe the tradition is that you empty the toilet and then let it sit for a year while the decomposing reaction is going on and it’s safe to use as fertilizer the next year.
Human poop, using it as fertilizer has historically been a thing in some regions. https://solar.lowtechmagazine.com/2010/09/recycling-animal-and-human-dung-is-the-key-to-sustainable-farming/
A properly maintained composting toilet produces what is effectively compost. It smells like soil, not poop. I believe the tradition is that you empty the toilet and then let it sit for a year while the decomposing reaction is going on and it’s safe to use as fertilizer the next year.