By Johannes Lehmann, Dirse C. Kern, Bruno Glaser, William I. Woods
Darkish Earths are a testomony to vanished civilizations of the Amazon Basin, yet can also solution how huge societies may perhaps maintain in depth agriculture in an atmosphere of infertile soils. This e-book examines their starting place, houses, and administration. Questions stay: have been they deliberately produced or a spinoff of habitation. extra new and multidisciplinary views through top specialists might pave the way in which for the following revolution in soil administration within the humid tropics.
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Additional resources for Amazonian Dark Earths: Origin, Properties, Management
On a road leading southward from an Omagua town near Cochiquinas (Peru), traders brought manioc and other goods from another settlement five days to the south, perhaps on the Javarí River or its tributary the Esperanza River. They belonged to a different nation since their language and clothing were different from those living on the Solimões (Vázquez, 1981; Zuñiga, 1981; Myers, 1992b). Sancho Pizarro followed a road southward from Tefé for a week before returning to the Solimões. Other roads led northward from Manacapuru.
The Dutch on the Amazon and Negro in the seventeenth century. English Historical Review, 18, 642-663. Falesi, I. C. (1967) O estado atual dos conhecimentos sobre os solos da Amazônia brasileira. In H. ), Atlas do Simpósio sobre a biota Amazônica (v. 1, pp. 151-68). Río de Janeiro: conselho Nacional de Pesquisas. C. (1974). Soils of the Brazilian Amazon. In C. ), Man in the Amazon (pp. 201-229). Gainesville: University Presses of Florida. Farabee, W. C. (1921). Exploration at the mouth of the Amazon.
0 kilometers long, and one at Manacapuru on the Amazon covered 80 hectares. Herrera (1981), Eden et al. (1984), and Andrade (1986) wrote the first reports on the Dark Earths at the Araracuara site on a bluff of the Río Caquetá in Colombia (see also Mora 2003) for subsequent soil research at Araracuara). Both Nigel Smith (1980) and Eden et al. (1984) believed that terra preta was formed by village refuse, but not by agricultural activity. An article in 1979 by Wolfgang Zech, Erich Pabst, and Gerhard Bechtold initiated a new period of German research on terra preta soils in Amazônia, following in the footsteps of Friedrich Katzer in 1903.
Amazonian Dark Earths: Origin, Properties, Management by Johannes Lehmann, Dirse C. Kern, Bruno Glaser, William I. Woods