Liu Zhenmin, former Under-Secretary-General of the United Nations,read the message

by UN Secretary-General António Guterres at the 4th World Shiology Forum

José Graziano da Silva,Former Director-General of the Food and Agriculture Organization

of the United Nations; Director-General of Zero Hunger Institute,delivered video speech

Zhu Juwang,Director of the Division for Public Institutions and Digital Government,

United Nations Department of Economic and Social Affairs,delivered video speech

Claude Denis Caldwell,Professor Emeritus Dalhousie University, Canada, delivered speech

Sheng Jiping, Professor at the School of Agricultural Economics

and Rural Development, Renmin University of China, delivered speech

Mahmodol Hasan，Professor at the Faculty of Agriculture,University of Rajshahi，delivered speech