الفترة:
الموضوعات: الفيوم؛ الإرشاد الزراعي
الموضوعات: الفيوم؛ المحاصيل؛ الري
الموضوعات: الفيوم؛ الأسماك؛ التعليم؛ الجوانب الاقتصادية
Subjects: Irrigation; Wheat
Subjects: Cows; Productivity
Subjects: Calcareous soils; Plants; Development; Egypt
Subjects: Fertilizers; Gramineae; Grasses; Wheat
Subjects: Egypt; Environmental aspects; Soil pollution
Subjects: Chickens
Subjects: Cooking
Subjects: Egypt; Productivity; Sheep
Subjects: Chemicals; Minerals; Plants
Subjects: Egypt; Heavy minerals; Environmental aspects; Soil pollution
Subjects: Egypt
Subjects: Agricultural chemicals; Calcareous soils; Egypt
Subjects: Animal resources; Domestic animals; Egypt; Physiology; Productivity
Subjects: Antioxidants; Chemicals; Garlic; Development; Plants