The earliest evidence of plant domestication in Africa has been uncovered in three different areas: Egypt, the eastern Sahara, and West Africa. In Egypt, agricultural technologies were introduced from southwest Asia, where the Neolithic Revolution first occurred. From there, wheat and barley agriculture spread across North Africa over thousands of years. In the other two locations, plant domestication appears to have emerged independently. In these locations, early Neolithic societies grew crops of sorghum, yams, watermelons, and African rice. In Central and West Africa, the farming of these crops was aided greatly by iron technology.

Once believe to have been introduced to Africa through Egypt, scholars now generally agree that iron smelting was developed independently in Central Africa. Iron tools allowed sub-Saharan African farmers to more efficiently clear forested areas to establish farms. By at least 500 BCE, Bantu-speaking peoples migrating across Africa were using iron tools to aid them in their gradual expansion.

The Bantu speakers likely originated in West and Central Africa and began spreading east and south as early as 3000 BCE. Their migrations were gradual, protracted, and took a few different routes. As they spread, they established farms, introduced others to agricultural practices, and dramatically transformed the linguistic makeup of much of subequatorial Africa.

ll images referenced in this podcast can be found at https://openstax.org/books/world-history-volume-1/pages/9-2-the-emergence-of-farming-and-the-bantu-migrations

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