Thursday, 13 July 2006: 1:15 PM
Convention Center, Room 109AB, First Floor
72: 1.6B Amazonian Dark Earth Soils (Terra Preta and Terra Preta Nova): A Tribute to Wim Sombroek - Oral
Sponsor:WCSS
Presiding:Antoinette Winklerprins, Michigan State University
Convenor:William I. Woods , University of Kansas
1:15 PM72-1Bio-char Black Carbon) Stability and Stabilization in Soil.
Johannes Lehmann, Cornell Univ, Saran Sohi, Rothamsted Research
1:45 PM72-2Compositions of the Humic Acids in Amazonian Anthropogenic Dark Earth Soils.
Etelvino H. Novotny, Univ of Limerick, Michael H. Hayes, Univ of Limerick, Eduardo R. De Azevedo, IFSC - USP, Beata E. Madari, Embrapa Arroz e Feij�o, Tony J. F. Cunha, Embrapa Semi-�rido, Tito J. Bonagamba, IFSC - USP
2:05 PM72-3The Rescue of an Old Indigenous Practice in the Tropics - Using Charcoal to Improve Soil Quality.
Wenceslau G. Teixeira, Embrapa Amaz�nia Ocidental, Gilvan C. Martins, Embrapa Amaz�nia Ocidental, Murilo R. Arruda, Embrapa Amaz�nia Ocidental, Christoph Steiner, 1 Institute of Soil Science, Univ of Bayreuth
2:25 PM72-4Microbial Activity as Soil Quality Indicator in Annual and Perennial Plantations Treated with Charcoal, Mineral- or Organic Fertilizer in a Highly Weathered Amazonian Upland Soil.
Christoph Steiner, 1 Institute of Soil Science, Univ of Bayreuth, Wolfgang Zech, 1 Institute of Soil Science, Univ f Bayreuth, Wenceslau G. Teixeira, Embrapa Amazonia Ocidental
2:45 PM72-5New Dark Earth Experiment in the Tail�ndia City - Par�-Brazil: the Dream of Wim Sombroek.
Dirse C. Kern, Museu Paraense Em�lio Goeldi, Jos� L. Cometti, Museu Paraense Em�lio Goeldi, Maria de Lourdes P. Ruivo, MPEG, Francisco J. Fraz�o, Museu Paraense Em�lio Goeldi, Tarcisio E. Rodrigues, Embrapa Amaz�nia Oriental, Marcondes L. Costa, Universidade Federal do Par�, Jorge L. Piccinin, Museu Paraense Em�lio Goeldi, Jo�o B. Rocha, Secretaria de Educa��o e Cultura do Estado do Par�

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