Long term Effects of manure, charcoal and mineral fertilization on crop production and fertility on a highly weathered Central Amazonian upland soil, Christoph Steiner; Wenceslau G. Teixeira; Johannes Lehmann; Thomas Nehls; Jeferson Luis Vasconcelos de Macêdo; Winfried E. H. Blum; Wolfgang Zech , Plant Soil, 01/2007, (2007) Abstract

Bio-energy in the Black, Johannes Lehmann , Frontiers in Ecology and the Environment, Volume in press, (2007) Abstract

Bio-char Sequestration in Terrestrial Ecosystems A Review, Johannes Lehmann; John Gaunt; Marco Rondon , Mitigation and Adaptation Strategies for Global Change, Number 11, p.403-42, (2006) Abstract

Bio-Char Soil Management on Highly Weathered Soils in the Humid Tropics, Johannes Lehmann; Marco Rondon , p.517-540, (2006) Abstract

Slash and Char: a feasible alternative for soil fertility management in the Central Amazon?, Lehmann, Johannes; Da Silva, Jose Perier, Jr.; Rondon, Marco; Da Silva, Cravo Manoel; Greenwood, Jaqueline; Nehls, Thomas; Steiner, Christoph; Glaser, Bruno , 17th WCSS, 14/08/2002, Thailand, (2002)

Ameliorating physical and chemical properties of highly weathered soils in the tropics with charcoal ? a review, Bruno Glaser; Johannes Lehmann; Wolfgang Zech , Biol Fertil Soils, 04/2002, Volume 35, p.219-230, (2002) Abstract