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# عنوان البحث المشارك في البحث سنة البحث
631 Effect of K-fertilization on the production of wheat grown in sandy soils under sprinkler irrigation أ.د.محمد فتحى غنيم محمد 1993
632 Response of lentil grown on broad ridges to irrigation schedules and potassium fertilization أ.د.محمد على الدسوقى زيدان 1993
633 Availability of P in sandy calcareous soils: I. Kinetic studies أ.د.محمد على الدسوقى زيدان 1993
634 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
635 Status of free iron oxides in some surface soil samples in upper Egypt أ.د.محمد على الدسوقى زيدان 1993
636 Availability of P in sandy calcareous soils: II. Effects of organic matter and added P أ.د.حسين محمد على راغب 1993
637 Availability of P to alfalfeer and ryegrass in sandy calcareous soils as affected by adding organic manure arnile sediments أ.د.حسانين جمعة حسانين الصعيدى 1993
638 Response of lentil grown on broad ridges to irrigation schedules and potassium fertilization. أ.د.محمد على الدسوقى زيدان 1993
639 Effect of planting date on nodulation, plant growth and yield of soybean أ.د.حسانين جمعة حسانين الصعيدى 1992
640 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