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    Crop Diversity on Anthropogenic Dark Earths in Central Amazonia

    A recent archaeological survey demonstrates that one of the most durable of all forms of pre-Columbian landscape transformation, Amazonian Dark Earths (ADE; soils formed by pre-Columbian settlement), are wides...

    James Angus Fraser, André B. Junqueira, Nicholas C. Kawa, Claide P. Moraes in Human Ecology (2011)