percolation irrigation

基本解释

Deep percolation of irrigation water and fertilizers is a common phenomenon in sandy soils.
新开垦流沙地的灌水和养分渗漏现象十分严重。
A comprehensive and systematic introduction to the composition and the strong point of percolation irrigation system are give here.
为此，全面、系统地介绍了磁化水渗灌装置的组成和磁化水渗灌的优点。
Study on the basic seepage laws under different working heads, with zippered plastic pipes as percolation irrigation pipe embedded at different depths underground in the shelf.
采用拉链式塑料管作为渗灌管，在大棚中埋于地下不同深度，在不同工作水头下进行了基本渗流规律的试验研究。

渗灌
This task is an important part of a major technical item undertaken by Science Commission in Harbin city which centered around the applied research on the technique of percolation irrigation with zippered plastic buried pipe.
本课题是哈尔滨市科委重大科技攻关项目《棚室蔬菜塑料拉链暗管渗灌技术的应用研究》的重要组成内容。