地下滴灌水分运移规律及滴灌带适用性初步研究

A Preliminary Research on Water Movement Rule Under Subsurface Drip Irrigation and Applicability of Drip Irrigation Belt

通过室内试验,对目前国内常用的3种类型滴灌带(管)(单翼迷宫式滴灌带、内镶片式滴灌带及内镶圆柱状滴灌管),分别在内蒙古自治区典型土壤黏壤土、壤土及砂壤土中开展地下滴灌试验研究,分析了水分运移与滴灌带流量及土壤特性的关系,得出了不同土壤内水分运移基本规律,并初步得出了不同流量滴灌带(管)在不同土壤内的适用性,为用户初选滴灌带奠定了基础。

Through laboratory test, this paper studies three wildly used types of drip irrigation belt （ pipe）, including single wing labyrinth drip irrigation belt, the chip drip irrigation belt and the mosaic column emitter type drip irrigation pipe. The subsurface drip irrigation experiments have been respectively conducted on the typical soil, including clay loam, loam and sandy loam, in Inner Mongolia. The relationship of water movement, drip irrigation belt discharge and soil property is analyzed, the basic rules of moisture movement in different soil are obtained, and the applicability of different kinds of drip irrigation belt （pipe） flow in different soil is analyzed, which lays the foundation for primary selection of drip irrigation belt for users.