Qaner wells are a way of utilizing groundwater for irrigation in which province of China?

Kan'er well is a special form of irrigation using groundwater in Xinjiang. Xinjiang region, low rainfall, high temperatures, water is very easy to evaporate; moraine, ground water is very easy to seepage. Caner wells are created in response to this natural characteristic of Xinjiang.

KanEr well also known as card well. The Qing dynasty history of biography - full Qing biography: "Turpan territory mu more system digging wells to take the spring, in order to irrigate, the name is card wells. Every ten feet digging a digging, chain guide, water from the well through the flow, its benefits are Pu, its method is quite strange, Xun for the customs inside and outside the only see." According to the record, can ear wells in the Han Dynasty has appeared in Xinjiang, only then there is no can ear wells its name only. The book of han - the western region under the biography of ": " Xuan emperor, han sent qiang general Xin Wu Xian will be troops of five thousand people to Dunhuang, legacy of the messenger according to the line table, through the Diogenes wells to the west, want to pass through the canal to turn the valley, accumulation of hut warehouse in order to discuss it." The Three Kingdoms, Meng Kang note "Di Diogou well" said: "six wells, through the canal also, the lower flow gushing out, in the White Dragon pile under the eastern soil mountain." This can be seen, there are six vertical wells, wells through the canal water diversion project, is obviously what we call today's Caner Wells.