Aren’t the named tribes a subset of native Americans, so it can be true without the original statement being false?
The original statement implies the technique was widespread across Native American groups. It’s almost certainly false for the ones here in South America; there’s a lot on terrace farming and slash-and-burn, but AFAIK nothing that resembles the companion system of the three sisters. (I wonder if it’s due to the prominence of subterranean crops. Taters, yucca, sweet potatoes.)
The Haudenosaunee/Iroquois and the Cherokee/Tsalagi being related hints me it was something they developed.
The original statement implies the technique was widespread across Native American groups. It’s almost certainly false for the ones here in South America; there’s a lot on terrace farming and slash-and-burn, but AFAIK nothing that resembles the companion system of the three sisters. (I wonder if it’s due to the prominence of subterranean crops. Taters, yucca, sweet potatoes.)
The Haudenosaunee/Iroquois and the Cherokee/Tsalagi being related hints me it was something they developed.