الفهرس 
التقييم فى مجال العمل الارشادىيوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
The demonstration fields considered as the most effective practical methods on the farmers, though the farmer grows his land under the supervision of the Agricultural Extension Specialists. This research aimed mainly to study the educational and economical impacts of the rice demonstration fields in the governorates of the Northern Nile Delta. This aim was achieved through : The determination of the personal social and economical features of the investigates sample farmers. The determination of the educational and economical effects of the rice demonstration fields. The study of the correlations and classifying the variability of the educational effects (knowledge and practice) and the economical effects of the rice demonstration fields. The study of the correlations and classifying the variability of the total effects (educational and economical) of the rice demonstration fields. The detecting of the most important problems which were faced by the farmers and agricultural extension specialists supervising the demonstration fields. This study was done using 114 rice farmers from all rice growing oovernorates of the Northern Delta by filling the questionnaire through b personal contact. The data was analyzed by using the replications, percentages, simple correlation coefficients, partial regression coefficient and standard partial regression coefficient.