The study aimed basically at identifying the determinants of agricultural modernization in Siwa oasis through: identifying the level of agricultural modernization in the study area, determining the correlation between the level of farmer’s agricultural modernization and some of the studied variables, identifying the effects of the studied independent variables on the level of respondent farmers’ agricultural modernization and identifying the most important problems facing the agricultural modernization efforts in the study area and suggestions  to solve them from the perspective of respondent farmers. The study was conducted in Siwa oasis, Matrouh governorate on a random sample of farmers located in the area. Data were collected through personal interviews using a questionnaire. The statistical analyzing tools used in the study were: Pearson’s correlation coefficient, Chi square test, Cramer’s coefficient, stepwise multiple regression in addition to frequencies, percentages, arithmetic mean, standard deviation and alpha coefficient. The findings showed that about 18.2% of respondent farmers had a low level of agricultural modernization, 48.2% of them had a moderate level and about 33.6% of respondent farmers had a high level of agricultural modernization. The findings showed also that there was a positive significant relationship at the probability level of 0.01 between the level of respondent farmers’ agricultural modernization and the following variables: family size, farm holding size, organizations’ membership, geographic openness, utilization of extension information sources, the level of ambition and social affiliation. There was also a negative significant relationship at the probability level of 0.01 between the level of respondent farmers’ agricultural modernization and farmers’ ages. Finally, there were four independent variables contributes in explaining the total variance of the level of respondent farmers’ agricultural modernization, these variables were: educational level, family size, organizations’ membership and farm holding size.

.The results revealed that The highest proportion of farmers was between 28 and 60 years. Mean values for family size in the different study areas were 5.49, the main occupation of respondents was agriculture (60%) A large share of farmers (70%) received formal education, while (30%) of farmers did not receive any formal education. Farmers in the study area were small-scale farmers, it showed that the average size of land owned was one feddan, the average level of living was 12.19, the average annual gross farm income in the study area was 11362 L_.E per household. All farmers in the study areas were members of the agricultural cooperative, which exist in all villages. Membership of these cooperatives was mandatory for those farmers who had reasonable access to it; 51.5% of farmers have a medium level of cosmopoliteness, 37% have a high level. More than 75% of farmers were falling in the medium level of communication with agricultural information, more than 65% of farmers had a medium level of aspiration, only 1.5% of farmers had a high level of aspiration, The highest proportion of farmers was a medium degree of filiations to community. The results showed that non of the respondents from the sample size had a high level of agricultural modernity, 76.5% had a medium level and 23.5 % only had low level. The coefficients of the logistic model used to investigate factors affecting the modernity of farmers. The chi-square test showed the level of significance of the parameters included in the model (at P 0.01). Modernity of farmers was correctly predicted for 77.5% of the farmers. The factors that contribute to modernity of farmers according to the Wald chi-square statistic were in order of importance: degree of affiliation, cosmopoliteness, family size, farm size, and aspiration level.