Programme and activities of the committee report of the technical secretary - Apr 1967 - Jun 1969.

agricultural and rural legislation control de enfermedades control de plagas cuarentena disease control droit agricole et rural enfermedades de las plantas escarda information services lutte antiravageur maladie des plantes pest control plant diseases plant protection programme de formation protection des plantes quarantaine quarantine service d'information training programmes weed control