الفترة:
Subjects: Chickens; Poultry; Production
Subjects: Calcareous soils; Sanitation; Soil mechanics; Soil physics; Plants
Subjects: Pollen grains
Subjects: Olives
Subjects: Tomatoes
Subjects: Cows
Subjects: Buffaloes; Physiology
Subjects: Cattle
Subjects: Economic aspects; Marketing; Oman; Vegetables
Subjects: Cost effectiveness; Niger
Subjects: Oman; Environmental aspects
Subjects: Fertilizers; Agricultural development; Research; Salinity; Soils
Subjects: Salts; Irrigation; Quality control; Tomatoes
Subjects: Oman; Tomatoes
Subjects: Acacia nilotica; Fungicides; Oman; Toxicology
Subjects: Oman; Salts; Sorghum (Genus)