Ooooh interesting, good to know! I suppose inoculation is a process that is not particularly complex that a localized society could also achieve.
I like to chop it up, fry it with onions, and put it in burritos. Breakfast burritos especially with egg, bacon or sausage, and cheese. It can also substitute for turnip or collard greens in a recipe if you’re looking for a place to eat it. Since its more of a bitter plant, you’ll want to use it much differently than spinach (whoever told you it tastes like that deserves a stern talking to)
Wait until you get into food preservation!
The only disease to be fully eradicated, 5 million people can live every year who otherwise would have died had we not defeated this disease
If you ever find yourself with small logs or large branches, I recommend looking into Hugelkultur, which similarly involves building mounds of compostable organic material around large pieces of wood, which allows for the slow breakdown and release of nutrients over time
Municipal scale infrastructure to capture waste, treat it, and extract nutrients to be redistributed or sold as fertilizer. This is usually an activity undertaken by and fit into existing municipal waste infrastructure.