坛式根灌循环模式及其在干旱缺水城市的应用

The Crock-type Root Irrigation Circulation Mode and Its Application in Droughty City

坛式根灌循环模式是在原有根灌模式的基础之上进行改进,并结合地表水和地下水循环特点设计的。该模式经济合理,技术简单,适合推广使用。种植试验表明,它能使有限的水资源得到高效利用,并能使观赏植物的花期延长一个月之多。同时,坛式根灌循环模式能改善城市地表水与地下水的循环关系,有助于缓解干旱缺水城市的地下水漏斗问题。由于制造坛子的材料取源于矿山废料,因此对防止环境污染也有益处。

The crock-type root irrigation circulation mode is improved on the basis of the former root irrigation mode and combined with the circulation characteristic of surface water and groundwater. The mode is economical and reasonable, and its technology issimple. So it is suitable to promote. The planting experimental result indicated that the mode can use the limited water resources with highly efficiency, and can prolong the flowering period of decorative plant for more than one month. At the same time, the mode can improve the circulation relation between surface water and the groundwater of city, which is helpful to alleviate the ground water funnel question of droughty city. Because the manufacture material of crock is taken from the waste material of mine, it is ben eficial for the environmental pollution prevention.