盘山农渠新模式  

A New Pattem of Irrigation Ditch in Panshan

作　　者：王红(文/图) Wang Hong

机构地区：[1]不详

出　　处：《今日辽宁》2020年第3期74-77,共4页Liaoning Today

摘　　要：原来的农渠存在跑、冒、渗、漏水的现象,砼管农渠则可以避免,这就节省了大量水资源,每亩稻田年均节约了200立方米原来的农渠易淤、易长草,导致水流速度缓慢,灌溉时间长砼管渠则无阻碍,过水量大增,每亩可节省5千瓦.Panshan's irrigated fields run along the lower stretches of the nine rivers.In most cases irrigation ditches constitute the last part of a fixed irrigation system,or the"the last kilometer"of farmland irrigation and water conservancy.Whether or not the last part functions properly may have a profound impact on the irrigation system as a whole and the farmers'immediate interests.

关 键 词：灌溉时间 农渠 水流速度 砼管 水资源 稻田 

分 类 号：S27[农业科学—农业水土工程]