Decision No. 53/2006/QD-BNN promulgating the regulation on management of production, trading and use of rice varieties of super-prototypal, prototypal and certified grades and F1 hybrid seeds

Decision No. 53/2006/QD-BNN dated June 26, 2006 of the Ministry of Agricultural and Rural Development promulgating the regulation on management of production, trading and use of rice varieties of super-prototypal, prototypal and certified grades and F1 hybrid seeds