-DATE- 19771223 -YEAR- 1977 -DOCUMENT_TYPE- SPEECH -AUTHOR- F.CASTRO -HEADLINE- 21 DEC RALLY -PLACE- JAGUEY GRANDE -SOURCE- CUBA -REPORT_NBR- FBIS -REPORT_DATE- 19771223 -TEXT- FIDEL CASTRO ADDRESSES 21 DEC RALLY IN JAGUEY GRANTE [Editorial Report--FL] Havana Domestic Radio and Television Services in Spanish at 0129 GMT on 21 December 1977 carry recording of rally "held this afternoon" in Jaguey Grande, Matanzas Province, to hail the harvesting of 1 million guintals of citrus fruits by the Victoria de Giron citrus fruits enterprise. Television coverage opens with the crowd applauding followed by the national anthem. Television announcer Manolo Ortega then reports the purpose of the rally and announces that it is being presided over by Commander in Chief Fidel Castro, "other members of the PCC Central Committee, the PCC first secretary in Mantanzas, Julian Rizo Alvarez, and "leaders of the party, state and mass organizations." Ortega then introduces Felix Duque Guelmes, dire