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تحميل الدليل التدريبي

أسئلة شائعة



1- Al-Omran, A.M., Al-Darby, A.M., Shalaby, A.A. and Al-Harbi, A.R.(1993). Apllication of Soil Gel-Conditioner in Soil of Arid Zones. Symposium of Desertification and Land Reclamation in the Arab Gulf  Countries Proceeding. Arabian Gulf University, Bahrin. 22 - 25 Nov. Third  Volum. 

2. Al-Harbi, A.R. and Alsadon, A.A. Frost. Ministry of Agriculture and                           Water,Riyadh, Saudi Arabia. Extention Bulletin No. 155. 

3- Al-Harbi, A.R., F. El-Edgham and S. El-Hussani. Okra. Ministry of Agriculture and  Water,Riyadh, Saudi Arabia. Extention Bulletin No.207.


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