Table of Contents

Keynote Lecture.- Biochemistry and Chemistry.- Regulation of Nitrogen Fixation and Assimilation.- Taxonomy and Evolution of Diazotrophs.- Legume symbiosis.- Structure and Dynamics of Diazotrophic and Plant Genomes.- Plant genes involved in symbiosis.- Metabolism in symbiosomes.- Associative and endophytic associatoins.- Actinorhizal Associations.- Environmental Stress.- Biological Nitrogen Fixation in Sustainable Agriculture.- Soil Reclamation and Remediation.- Strain selection and inoculation technology.- century.