Prof. Dr. KARL STAHR, Chairman of Division I (Soil in Space and Time) of the International Union of Soil Sciences (IUSS), the global association of soil scientists, has accepted our invitation to be the Keynote Speaker of the 14th PSSST Scientific Conference on 25-27 May 2011 at VSU, Baybay, Leyte, Philippines.Prof. Stahr gained his doctorate from the Technical University Stuttgart, Germany, in 1972 and his Habilitation (highest academic qualification required to become a professor in Germany and several other European countries) in Soil Science at the University of Freiburg in 1979. Since 1988 he is Professor of Soil Science and Petrography at the Institute of Soil Science and Land Evaluation, University of Hohenheim, Stuttgart. His main fields of research are: soil genesis, soil mineralogy, land evaluation, N-cycle, and recycling of organic waste. He has conducted research projects dealing with forest and agricultural soils of Germany as well as Brazil, Ecuador, Argentina, Spain, Portugal, Egypt, Israel, Turkey, PR China, Somalia, Niger, Benin, Vietnam, Thailand, and Philippines.
Prof. Stahr has been actively involved in a wide range of professional activities serving as: Vice Chairman (1979-1981, 1985-1989) and Chairman (1989-1995) of Commission VII of the German Soil Science Society, Vice Chairman of Commission VII of the International Soil Science Society (1986-1998), and President of the German Soil Science Society from 1998 to 2001. He has organized several national and international workshops, excursions and congresses.He has been elected member of many University boards since 1967 such as Dean of the Faculty of Landscape Planning, Technical University of Berlin (1987/88), Dean of the Faculty of Plant Production and Landscape Ecology, University of Hohenheim (2000-2002) and as Vice Dean of the same faculty since 2002. He also serves as Chairman of the special research project "Uplands Program 564" of the University of Hohenheim since 2005.
He has authored and co-authored hundreds of papers which appeared in prestigious peer-reviewed international journals as well as several influential textbooks in soil science (in German). He is in the Editorial Boards of Catena, Plant Nutrition and Soil Science, Geoderma, Trends in Soil Science, and Hohenheimer Bodenkundliche Hefte.
Prof. Stahr has supervised close to a hundred PhD students from many countries around the world.