A multicoloured mosaic of corncobs adorns the 19th-century ‘Corn Palace’ of Mitchell in South Dakota, celebrating the importance of this crop to the economy. But how did these plants, whose wild forms prefer the hotter, drier zones that are found in the highlands of Mexico, come to dominate the Northern Plains?
The answer is through the expansion of farming peoples up the river systems of North America – the Mississippi, the James, and the Missouri – over many centuries, accompanied by gradual selection of the most appropriate strains of crops to survive the changing environments and climates.
Though farming reached this region comparatively late, in about AD 1000, today the ar
Already a subscriber? Sign in here
Read this article now for free!
Enter your email below to read the full article, and to receive our weekly newsletter with a round-up of The Past's top stories.
-- or --
Or, subscribe for unlimited access