山西省雁北地区阳高县农业综合开发办,最近研制成功一种新型的防渗渠道渠底分水口。 传统的防渗渠道分水口,多采用在渠堤两侧或一侧开口的开敞式分水口。这种分水口,每当灌溉输水或浇地分水时,必须从渠道周围或田间挖土堆放到渠道里堵水节制水流。久而久之,每个分水口渠道周围、田间被挖的坑坑洼洼,更严重的是渠道两侧甚 Yanggao County Agricultural Development Office in Yanbei, Shanxi Province, recently successfully developed a new type of seepage channel bottom diversion outlet. Traditional anti-seepage channel diversion, multi-use in the dike on both sides or open side of the open water diversion. This diversion, whenever irrigation water or watering, must be dredged from the channel around the field or piled into the channel to control water flow. As time passes, each of the channels around the watershed, the fields were dug potholes, even more serious on both sides of the channel