This reminds me of the "Amazon rainforest was a curated garden" research. There is also evidence of trade in live Agave plants across a large section of the Americas.
So they actually engineered a new type of soil and also regenerates itself so fucking cool
Similarly, tribes of the PNW maintained camas meadows (camas being a bulb that is slow roasted and was one of the primary sources of carbs for these people) stretching from modern day Portland to Seattle. A 200-mile long farm
"When Europeans started to move through and into the interior of the continent in the mid- to late 1600s, they noted that there were way more varieties of peaches being grown by Indigenous peoples than there were in Europe," he said
Native Americans once again vindicated as having a better understanding of how to use the western hemisphere's environment. Throw it on the pile along with crop rotation and back burning as "things Native Americans discovered but Europeans killed them and later had to rediscover, taking credit for it in the process."
Every other episode of Poor Proles Almanac basically plays out like this.
