宁夏引黄灌区是我国古老大型灌区之一,也是全国重要商品粮基地。现有干渠17条,总长2322公里,支渠3800多条,长5000多公里,灌溉面积670多万亩;排水干沟24条,总长750公里。2005年引水量约70.9亿立方米,灌溉水利用系数为0.44左右。引黄灌区以占全区三分之一的耕地面积,生产了全区四分之三的粮食,灌区工农业产值分别占全区的97%和87%,是全区经济和社会发展的精华地带。近年来,水利厅在大力实施 Ningxia Yellow River Irrigation District is one of the oldest large-scale irrigation districts in China and is also an important commodity grain base in China. The existing dry canal 17, a total length of 2322 km, more than 3800 branch canal, more than 5000 km long, irrigation area of ​​more than 670 mu; drainage ditch 24, a total length of 750 km. In 2005 about 7090000000 cubic meters of water diversion, irrigation water utilization coefficient of about 0.44. The Yellow River irrigated area accounts for one third of the cultivated area of ​​the whole district and produces three-fourths of the grain in the whole district. The output value of industry and agriculture in irrigated area accounts for 97% and 87% respectively of the whole area and is the essence of economic and social development in the whole district zone. In recent years, the Department of Water Resources vigorously implemented