United Arab Republic: pre-investment survey of the northwestern Coastal region: special studies, vol 1, text

actividades cooperativas agricultura agricultural development agricultural economics agriculture agua superficial animal production clima climat climate conservation de l'eau cooperative activities cost analysis crop management crops cultivos development projects eau souterraine eau superficielle economic analysis ethnic groups farm income ganado geologia geologie geology gestion des eaux gestion des ressources groundwater livestock pilot farms plante de culture production animale production costs recursos del suelo resource management ressource en eau ressource en sol revenu de l'exploitation runoff water rural settlement soil resources surface water tenencia tenure uso del agua utilisation de l'eau water conservation water management water resources water supply water use windbreak trees