List of Keynote Speakers       Emeritus Prof. Dr. Stephen Nortcliff Secretary General of the International Union of Soil Sciences, and is now the chair of the IUSS Budget and Finance Committee Dr. Vili A. Fuavao Deputy Regional Representative, FAO Regional Office for Asia and the Pacific Prof. Dr. Christian Walter Professor, vice director of UMA SAS (The Joint Research Unit Soil, Agro- and Hydro-systems, spatialization)  Prof. Dr. Santhad Rojanasoonthon President of Royal Institute, Thailand