The evaluation and impact of expert systems on agriculture sector in Egypt

advisory officers agricultural sector aplicaciones del ordenador application des ordinateurs aptitude au travail arid climate arid zones aridoculture capacidad de trabajo citrus clima arido climat aride computer applications computer software conseiller agricole conservation de l'eau conservation des sols cost benefit analysis costos costs cucumis sativus decision making desert desertification deserts desiertos drought stress dry farming egipto egypt estres expert systems extension extension activities logiciel pesticide pesticides plaguicidas profitability programas de ordenador reclamation rendement rendimiento rentabilidad secteur agricole sector agrario semiarid zones sistemas expertos soil conservation stress technology transfer toma de decisiones transfert de technologie trigo vulgarisation water conservation wheats work capacity yields zone aride