山西省沁源县丁城灌区是1958年建成的。引水流量1.2秒立方米,灌溉面积10,300亩。从1959年受益以来,连年获得稳定增产。特别是1964年,全灌区8,998亩粮田,平均亩产540斤,比受益前的1957年亩产提高56.4%,比高产的1963年亩产提高22.5%。今年全灌区小麦平均亩产300斤。 Dingyuan irrigation area in Qinyuan County of Shanxi Province was built in 1958. Diversion flow of 1.2 seconds cubic meters, irrigation area of ​​10,300 acres. Since 1959, it has steadily increased production in successive years. Especially in 1964, 8,998 mu of grain fields in the entire irrigated area had an average mu yield of 540 pounds, 56.4% more than the pre-benefit 1957 mu yield and 22.5% higher than the high-yielding 1963 mu yield. This year the whole irrigated wheat average yield 300 kilograms.