Ethnobiology

Black Dirt Facts in Diseases Diseases Guest Lecture Guest Lecture
By Henry F. By Henry F. Dobyns Lecture 7, University of Arizona

Terra Terra Preta Preta Do Indio Do Indio
Source: Mann Source: Mann Science Science 9 August 2002: 920 9 August 2002: 920-923 923
- Dark isolated fertile earth in the rainforest which normally Dark isolated fertile earth in the rainforest which normally has red and yellow soils that are poor weathered highly has red and yellow soils that are poor weathered highly acidic and low in organize matter and essential nutrients acidic and low in organize matter and essential nutrients –oxisols oxisols in a wet desert.