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# عنوان البحث المشارك في البحث سنة البحث
631 Availability of P to alfalfeer and ryegrass in sandy calcareous soils as affected by adding organic manure arnile sediments أ.د.محمد حسن محمد نفادى 1993
632 Availability of P in sandy calcareous soils: 1. Kinetic studies أ.د.محمد على الدسوقى زيدان 1993
633 Availability of P in sandy calcareous soils: II. Effects of organic matter and added P أ.د.محمد على الدسوقى زيدان 1993
634 Response of lentil grown on broad ridges to irrigation schedules and potassium fertilization. أ.د.محمد على الدسوقى زيدان 1993
635 Effect of planting dates and inoculation with some strains of bradyrhizobia on nodulation and growth of soybean plants أ.د.صلاح محمد محمود محمد أحمد حمادى 1992
636 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
637 Effect of planting date on nodulation, plant growth and yield of soybean أ.د.حسانين جمعة حسانين الصعيدى 1992
638 Analysis of heat, water and solute transport in soil materials under different compaction conditions أ.د.محمد على الدسوقى زيدان 1992
639 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
640 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