Range:
Subjects: Dry farming; Spain; Trees
Subjects: Tunisia; Irrigation water; Prices; Water
Subjects: Australia; Management; Water
Subjects: Turkey; Management; Water
Subjects: Oman; Irrigation water
Subjects: Oman; Consumption; Prices; Water
Subjects: Oman
Subjects: Oman; Groundwater; Quality control
Subjects: Morocco; Valleys; Groundwater
Subjects: Oman; Economic aspects; Financing