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تحميل الدليل التدريبي

أسئلة شائعة


 

 

Conferences participation

 

El-Juhany, L. I. (2009). Degradation of date palm trees and date production in Arab countries: Causes and potential rehabilitation. In: The Fourth International Date Palm Festival, Abu Dhabi, UAE        

El-Juhany, L. I. (2009). Forestland degradation in the southwestern region of Saudi Arabia. In: Land degradation in arid environments, an international conference held at Kuwait University, Kuwait , March 2009.

 

L. I. El-Juhany; Aref, I. M. and Al-Ghamdi; M. A. (2007). The possibility of ameliorating the regeneration of juniper trees in the natural forests of Saudi Arabia. In: The Proceedings of the international conference on the Arabian Oryx held in Riyadh, April 21-23, 2007.

 

Aref, I. M.; L. I. El-Juhany and M.Y. Khamis (2006). Effects of different sources of irrigation water and soil types and their interactions on the growth of Avicennia marina seedlings. In: The Proceedings of The 3rd International Conference for Development and the Environment in the Arab world, March,21-23, 2006, Assiut University, Center for Environmental Studies, Assiut, Egypt, 123-134.

 

 

Aref, I. M. and L. I. El-Juhany (2004). Planting Juniperus procera trees in the natural forests of Saudi Arabia: the first trial. In: the Second Conference of Development and Environment in Arab World. Assiut University, Egypt, 23-25 March 2004.

 

El-Juhany L. I., I. M. Aref and A. O. Wakeel (2003). Evaluation of using some available lignocellulosic agricultural residues in manufacturing wood-cement boards in Saudi Arabia. In: the Proceedings of the International Conference on Date Palm, pp 281-291, held at College of Agriculture and Veterinary Medicine, King Saud University (Qaseem Branch), Buraidah, Saudi Arabia, 16-19 September 2003.

 

Hassan, F. A.; L. I. El-Juhany and M. S. Shehatah (2002). Effects of irrigation with sewage effluent on the growth of some forest tree species and physical and mechanical properties of the soil. In: the Proceedings of the Second Conference of Sustainable Agricultural Development, pp 300-311, held at Al-Fayume faculty of Agriculture, Cairo University from 8-10 May, 2002.

 

Aref, I. M. and L. I. El-Juhany (2001). Impact of sudden water stress on the growth of eight Acacia species. Alexandria Science Exchange 22 (4): 413-422.

 

El-Juhany, L. I. (2001). Effects of nitrogen supply on the growth, dry matter partitioning and N concentration of Celtis africana (Burm. f.) seedlings. Egyptian Journal of Applied Sciences 16 (7): 227-236.

 

El-Juhany, L. I., and Aref, I. M. (2001). Spacing effects on relative growth rates of diameter, height and biomass production in Leucaena leucocephala (Lam.) de Wit before and after pruning. King Abdulaziz University Journal, Meteorology, Environment and Arid Land Agriculture 12: 77-87.

 

Aref, I. M. and El-Juhany, L. I. (2000). The potential economic benefits of forest and agricultural waste in production of synthetic chipboards. The 2nd International Conference of Economics and Conservation of Renewable Natural Resource in Arid Zones. 12-15 November 2000. National Commission for Wildlife Conservation and Development, Riyadh, Saudi Arabia.

 

Aref, I. M.; Al-kherb, S. M.; El-Juhany, L. I.; El-Husssieni, S. and El-Wakeel, A.O. (2000). Fungi associated with leaf blight in Juniperus procera (Hochest. Ex. Endl) seedling growth in green house.. Saudi Biological 20th Annual Meeting, 1-3, February 2000. Held at King Faisal University, Al-Hasa, Saudi Arabia.

 

Aref, I. M. and El-Juhany, L. I. (2000). Evaluation of above-ground biomass and stem volume of three Casuarina species in the central region of Saudi Arabia. The Third Conference on Desertification and Environmental Studies, Beyond the year 2000. Held at. King Saud University Center for Desert Studies, Kingdom of Saudi Arabia from 30 November to 4 December 1999.

 

El-Juhany, L. I. and Aref, I. M. (2000). Spacing effects on relative growth rates of height, diameter and biomass production of Leucaena leucocephala (Lam.) de Wit. before and after pruning. the Third Conference on Desertification and Environmental Studies, Beyond the year 2000. Held at. King Saud University Center for Desert Studies, Kingdom of Saudi Arabia from 30 November to 4 December 1999.

 

Aref, I. M. and El-Juhany, L. I. (1999). Natural and planted forests in Saudi Arabia; their past, present and future. The Great Academic Meeting, King Saud University, Riyadh, Saudi Arabia. 16-27 October 1999.

 

Aref, I. M. and El-Juhany, L. I. (1999). Growth and dry matter partitioning of Leucaena leucocephala (Lam.) de Wit. trees as affected by water stress. Annual Meeting of the Society for Experimental Biology (United Kingdom), held at Heriot-Watt University. 22-26 March1999.

 

Aref, I. M. and El-Juhany, L. I. (1999). Effects of water deficit on growth and dry matter partitioning in Acacia assak (Forsk), Acacia tortilis (Forsk) and Acacia gerardii (Benth)spp. negevensis (Zoh.).Saudi Biological Nineteenth Annual Meeting, 16-18, February 1999, Jeddah, Saudi Arabia.

 

El-Juhany, L. I. and Aref, I. M. (1999). Growth and dry matter partitioning of Leucaena leucocephala (Lam. de. Wit.) trees as affected by water stress). Saudi Biological Nineteenth Annual Meeting, 16-18, February 1999, Jeddah, Saudi Arabia.

 

Abd-Allah, M. A.; L. I. El-Juhany and F. A. Hassan. (1999). Growth and mineral content of a woody legume tree Leucaena leucocephala (Lam. De Wit.) and two citrus species in a mixed culture. In the proceedings of "the Third Symposium on Biological Nitrogen Fixation in Mediterranean Basin, November 21-25, 1999, El-Arish, North Sinai Governorate, Egypt.

 

 

 
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