Andalusi Irrigation System

Timeline

1. 711–850Guadalquivir River basin · Al-AndalusAfter the Islamic conquest, the authorities repaired Roman aqueducts and introduced Eastern irrigation techniques, building networks of acequias on river-valley terraces and expanding the area of irrigable arable land.
2. 929–1000Al-Andalus · Al-AndalusAt the height of the caliphate, central and local authorities formulated water-allocation regulations, promoted waterwheels and terrace irrigation, and citrus groves and sugarcane plantations spread along the waterways to the Mediterranean coast.
3. 1021–1030Al-Andalus · Al-AndalusOn the eve of the caliphate's collapse, the irrigation network was still maintained and operated by local communities, and customary water-allocation law continued to govern water use, providing infrastructure for the agricultural economies of the taifa kingdoms about to emerge.