Author Saranya Lapsongphol, Busarakorn Mahayothee, Sarawut Phupaichitkun, Hermann Leis, Methinee Haewsungcharoen, Serm Janjai, Joachim Mueller Citation Book of Abstract. Tropentag 2007: International Research on Food Security, Natural Resource Management and Rural Development, Utilisation of diversity in land use systems: Sustainable and organic approaches to meet human needs, October 2007, Witzenhausen, Germany. 554 p.