Terra Preta Web Site

 

Terra Preta (do indio) is a black earth-like anthropogenic soil with enhanced fertility due to high levels of soil organic matter (SOM) and nutrients such as nitrogen, phosphorus, potassium, and calcium embedded in a landscape of infertile soils (see soil profiles below). Terra Preta soils occur in small patches averaging 20 ha, but 350 ha sites have also been reported. These partly over 2000 years old man made soils occur in the Brazilian Amazon basin and other regions of South America such as Ecuador and Peru but also in Western Africa (Benin, Liberia) and in the savannas of South Africa. Terra Preta soils are very popularby the local farmers and are used especially to produce cash crops such as papaya and mango, which grow about three times as rapid as on surrounding infertile soils.

 
 
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Related Conferences:

Terra Preta-Symposiumat the
Conference of the Latin Americanist Geographers, Valencia, Spain, 2001, June 13 - 16

Terra Preta symposium at the SAB 2001 conference. Arqueologia no novo milenio. XI congresso da sociedade de arqueologia brasileira. Hotel lplaza Copacabana 23 a 29 de setembro de 2001, Brasil.

Dark earths in the dark ages 

Terra Preta Nova workshop Manaus, Brazil, 13.-19.07.02

Terra Preta Oxisol
Related Sites:

Terra Preta web site
(Museu Goeldi, Brazil)

Terra Preta Web Site (Gerhard Bechtold)

Map of Terra Preta occurrences in Amazonia, Brazil
 

Cahokia homepage

Pilot programme to conserive the Brazilian rain forest (PP-G7)

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Last update: 21.02.02