Range:
Subjects: Jordan; Statistics; Crops
Subjects: Corn; Iraq; Sulaymaniyah; Irrigation
Subjects: Chemical properties; Iraq; Physical properties
Subjects: Adsorption; Iraq; Potassium; Sulaymaniyah
Subjects: Lentils; Fertilizers
Subjects: Iraq; Mosul; Sunflowers; Fertilizers; Genetics
Subjects: Egypt; Statistics
Subjects: Egypt; Statistics; Agriculture; Indexes
Subjects: Egypt; Statistics; Agriculture
Subjects: Egypt; Statistics; Watersheds; Land use
Subjects: Egypt; Statistics; Irrigation water