Pre-Columbian agriculture

biological exchange across Atlantic Ocean

type of manmade (anthropogenic) soil found in the Amazon Basin

main agricultural crops of various Native American groups in North America

large number of Holocene settlements which flourished between 8000 BCE and 4600 BCE, near the coast of present-day Ecuador

agriculture by the Inca Empire

Account of archaic North American agriculture

agricultural practices of pre-historic native cultures in the eastern United States and Canada