Presented at the symposium which started on June 1 were successes and experience gained in the greenhouse vegetable production. And there were a workshop, lecture and visits.

Present at the closing ceremony were Kwak Pom Gi, vice-chairman of the Central Committee of the Workers' Party of Korea, Kye Yong Sam, director of the Institute of Agricultural Science, officials concerned, scientists, technicians and gardeners of greenhouse vegetable production units and science research institutes.