thematic network improved quality management in the euro mediterranean fruits and vegetables processing industry ica3 ct 2000 30004 preparatory workshop food sector industrial technological outlook 5 7 october 2001 cordoba spain dr nidal zatar an najah n university palestinian national authority agro 1 introduction agriculture plays important role economy although its contribution to gross domestic product gdp has gradually declined over last 30 years 1997 agricultural value added was 6 4 percent of compared 13 1994 40 1968 production wbgs amounted us 768 million proportion labor force employed wb s total decreased from 50 nevertheless number workers involved farming increased slightly 42 thousands past three decades have maintained be next exporter exporting citrus olive products israel jordan been two major