Status of organic agriculture in Sri Lanka with special emphasis on tea production systems (Camellia sinensis (L.) O. Kuntze) [Elektronische Ressource] / vorgelegt von Ute Williges

Status of organic agriculture in Sri Lanka with special emphasis on tea production systems (Camellia sinensis (L.) O. Kuntze) Dissertation zur Erlangung des Grades „Doktor der Agrarwissenschaften“ am Fachbereich Pflanzenbau der Justus-Liebig-Universität Gießen PhD Thesis Faculty of Plant Production, Justus-Liebig-University of Giessen vorgelegt von / submitted by Ute Williges OCTOBER 2004 Acknowledgement The author gratefully acknowledges the financial assistance received from the German Academic Exchange Service (Deutscher Akademischer Austauschdienst, DAAD) for the field work in Sri Lanka over a peroid of two years and the „Hochschul- und Wissenschaftsprogramm (HWP)“ for supporting the compilation of the thesis afterwards in Germany. My sincere thanks goes to my teacher Prof. Dr. J. Sauerborn whose continuous supervision and companionship accompanied me throughout this work and period of live. Further I want to thank Prof. Dr. Wegener and Prof. Dr. Leithold for their support regarding parts of the thesis and Dr. Hollenhorst for his advice carrying out the statistical analysis. My appreciation goes to Dr. Nanadasena and Dr. Mohotti for their generous provision of laboratory facilities in Sri Lanka. My special thanks goes to Mr. Ekanayeke whose thoughts have given me a good insight view in tea cultivation.