A study of the relationship of some socio-economic and communication variables of the sugar beet growers with the educational and economical effects of the sugar beet demonstration fields in magar production districts of the crop, Kafr-El-Sheikh Governorate [Egypt]

agriculteur agricultores agriculture extensive comportamiento humano comportement humain conciencia social conscience sociale direction egipto egypt extension extension activities extensive farming farmers human behaviour leadership liderazgo remolacha azucarera social consciousness sugar beet vulgarisation