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# عنوان البحث المشارك في البحث سنة البحث
621 Status of free iron oxides in some surface soil samples in upper Egypt أ.د.محمد على الدسوقى زيدان 1993
622 Availability of P in sandy calcareous soils: II. Effects of organic matter and added P أ.د.حسين محمد على راغب 1993
623 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
624 Availability of P in sandy calcareous soils: 1. Kinetic studies أ.د.محمد على الدسوقى زيدان 1993
625 Availability of P in sandy calcareous soils: II. Effects of organic matter and added P أ.د.محمد على الدسوقى زيدان 1993
626 The affect organic manure and Nile sediments on the capacity of sandy calcareous soils for supplying K أ.د.حسانين جمعة حسانين الصعيدى 1993
627 Availability of P in sandy calcareous soils: 2. Effects of organic matter and added P أ.د.محمد على الدسوقى زيدان 1993
628 Utilization of waste waters for Agricultural production in Upper Egypt أ.د.جلال أحمد صالح الغرابلى 1993
629 The affect organic manure and Nile sediments on the capacity of sandy calcareous soils for supplying K أ.د.محمد حسن محمد نفادى 1993
630 Screening of some wheat ccultivars for tolerance to P stress. أ.د.حسين محمد على راغب 1993