论文部分内容阅读
一、调研区基本情况本次调研区为禹州市的白沙灌区大部,白沙灌区位于河南省禹州市和许昌县境内,水源白沙水库。灌区有南、北、东、新北干4条干渠,总长99.25km,支渠8条,总长46.49km;斗渠143条,总长229km。南、北干渠1955年建成,东干渠1964年建成,新北干渠1990年建成。灌区设计灌溉面积2.02万hm2,有效灌溉面积1.36万hm2。白沙灌区运行50多年来,为禹州市和许昌县农业发展做出了巨大贡献,灌溉效益十分显著。
First, the basic situation of the research area The investigation area for the majority of Baisha Irrigation District, Baisha irrigation area is located in Yuzhou City, Henan Province and Xuchang County, water Baisha reservoir. There are 4 main canals in south, north, east and north of the irrigation area with a total length of 99.25km and 8 branch pipes with a total length of 46.49km. There are 143 fighting channels with a total length of 229km. South and North Canal completed in 1955, the East Canal completed in 1964, the new North Canal completed in 1990. Irrigation design irrigation area of 20,200 hm2, effective irrigation area of 13,600 hm2. Baisha Irrigation area for more than 50 years of operation, for the Yuzhou City and Xuchang County, agricultural development has made a significant contribution to irrigation efficiency is very significant.