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# عنوان البحث المشارك في البحث سنة البحث
641 Use of nitrogen fixing bacteria and foliar fertilization to increase yields of grain sorghum and maize in Upper Egypt أ.د.جلال أحمد صالح الغرابلى 1992
642 Effect of planting dates and inoculation with some strains of bradyrhizobia on nodulation and growth of soybean plants أ.د.فريدة حسن على بدوى 1992
643 Utilization of waterhyacinth as a soil amendment: Growth and mineral content of wheat أ.د.محمد على الدسوقى زيدان 1992
644 Use of nitrogen fixing bacteria and foliar fertilization to increase yields of grain sorghum and maize in Upper Egypt أ.د.فريدة حسن على بدوى 1992
645 Comparative studies on productivity and nodulation of soybean by slow- and fast-growing rhizobia أ.د.صلاح محمد محمود محمد أحمد حمادى 1992
646 Effect of planting date on nodulation, plant growth and yield of soybean أ.د.حسانين جمعة حسانين الصعيدى 1992
647 The Effect of salinity level of the soil on Ammonia Nitrogen losses from surface applied Urea أ.د.محسن عبدالمنعم جامع على 1992
648 Contents of some heavy metals in wheat plants grown in soils treated by waterhyacinth أ.د.محمد على الدسوقى زيدان 1992
649 Effect of planting date on nodulation, plant growth and yield of soybean أ.د.محمود محمد الدسوقى محمود 1992
650 Comparative studies on productivity and nodulation of soybean by slow and fast-growing Rhizobia. أ.د.صلاح محمد محمود محمد أحمد حمادى 1992