Deep pipe irrigation can be especially useful on slopes and in crusty soils where surface applied water will runoff.
深度管道灌溉在斜坡和硬质土壤环境中非常适用，因为在那些地方地表灌溉浪费水资源。
2
The results indicate that the perforated pavement and perforated rainwater drainage pipe system reduce runoff and replenish underground water remarkably.