Contains the proceedings of the Brazillian Agriculture Research Corporation (EMBRAPA)/FAO International Technical Workshop on Biological Management of Soil Ecosystems for Sustainable Agriculture, which was held at EMBRAPA Soja headquarters in Brazil 2002. The report includes a review of current understanding and knowledge of the biological management of soil ecosystems through a set of case studies from different production systems and socio-economic conditions, in the areas of indicators and assessment of soil health, adaptive management and innovative technologies.