Answer:
During the period, irrigated cultivation developed due to the growing use of animal power, water power and wind power. Windpumps were used to pump water since at least the 9th century in what is now Afghanistan, Iran and Pakistan.
Also,
Because water was so scarce in the desert regions of the Islamic Empire, Muslims developed ingenious irrigation techniques and utilized underground wells. Dams, reservoirs, and aqueducts were constructed throughout the Islamic Empire as early as the tenth century.
Hope that helps! x
