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# عنوان البحث سنة البحث
811 Development and certain life-table parameters of Phytocoris sp. (Heteroptera: Miridae) at constant temperature 1991
812 Effect of certain herbicides and insecticides on the growth of some Rhizobium species. 1991
813 Effect of day time and seasons on foraging and pollen gathering of honeybee (Apis mellifera L.) in Assiut region 1991
814 Effect of day time and seasons on foraging and pollen gathering of honeybee (Apis mellifera L.) in Assiut region 1991
815 Effect of day time and seasons on foraging and pollen gathering of honeybee (Apis mellifera L.) in Assiut region 1991
816 Effect of insect pollination on quantity and quality of Cumin, Caraway and Anise seeds in Assiut region 1991
817 Effect of insect pollination on quantity and quality of Cumin, Caraway and Anise seeds in Assiut region 1991
818 Effect of insect pollination on quantity and quality of Cumin, Caraway and Anise seeds in Assiut region 1991
819 Effect of some host plants, as larval diets, on the biology of the greasy cutworm, Agrotis ipsilon (Hufn.) 1991
820 Evaluation of certain trapping systems for capturing the Mediterranean fruit fly Ceratitis capitata (Wiedemann) (Diptera-Tephritidae) in Assiut, Egypt 1991