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This research aimed to determine farmer's knowledge concerning olive growing and production such as: species, seedling production, vaccination, coppicing, fertilization, olive pests and their control, fruit picking and handle, and identify the constraints facing olive growers in using knowledge concerning olive growing and production and their suggestions to overcome these constraints. Focus group discussion guide were used to collect data on February 2007 of Banger El-Soqar, El-Postan, and Gharb El-Nobaria, Sectors. One group of each sector were met in the extension center, each group amounted to 15 members similar in age, level of education and olive growing experiences, the whole number was 45 respondents. Using qualitative approach the results of the research revealed that : J. Agric. Sci. Mansoura Univ., 32 (6), June, 2007 4903 ● Respondents knowledge concerning olive species such as: El-Agezey El-Shamy, El-Toffahey, El-Shemlaly, and El-Menzaneilo are good, but they don't know other species such as: El-Bekwal, El-Kronaky, El-Wateken, and El-Maraky. The holders of limited area grow olive surround their farms in order to protect it, while the holders of large area grow olive for oil production and export. ● Majority of the respondents buy olive seedling from nonrecommended sources because the seedling prices of Agricultural Research Center is high. All the respondents don't know seedling production method. ● The majority of the respondents know pen vaccination method but they don't know buds putting in right way, and the host is unvalid. ● The respondents suffering from young fruits phenomena and they don't know how can overcome them. ● The respondents knowledge concerning the damage due to cultivating some crops among olive trees, the suitable crops can be cultivated and the suitable distances between olive trees are limited ● The majority of the respondents know the importance of olive trees coppicing, little ratio of them don’t prefer executing it to protect the trees of sun rays and wind, they know only vertical and cup shaped coppicing, they don't know the importance of spraying some chemicals after coppicing process. ● All the respondents know olive fruit fly, apple stem insect, and nematode, they know infection symptoms of olive leaves worm, olive fruit fly, without discrimination between them. The respondents know haw to control hard, soft olive insects and ashens. Their knowledge concerning olive leaves worm control, and vertisellum weathering are limlted, as for nematode control they don't know it. ● Respondents knowledge concerning olive fruit picking time is good for oil species, as for other species they pick it earlier to avoid olive fly infection. Their knowledge concerning fruit picking techniques is low. ●There are some constraints face the respondents in olive growing, production and marketing where they suggested how to overcome them.

mağallaẗ al-iqtiṣād al-zirā'ī wa al-ʿulūm al-iğtimāʿiyyaẗ

TECHNICAL RECOMMENDATIONS KNOWLEDGE OF OLIVE PRODUCTION AND ITS CONSTRAINTS AMONG FARMERS IN NOBARIA NEW LANDS المعرفة بالتوصیات الفنیة المتعلقة بزراعة وإنتاج الزیتون ومعوقات تنفیذها بین زراع الأراضى الجدیدة بمنطقة النوباریة