他发起了一个建造灌溉系统的运动，利用雨水灌溉树木。
He spearheaded a movement to build irrigation systems to harness rain water and to grow trees.
他还表示，因为果树需水量太大，农民不能利用雨水灌溉。
He said farmers could not irrigate using rain water as the trees needed large amounts of water.
工厂设施产生的废水和利用斜坡收集的雨水被回收用于灌溉周围的景观。
The waste water produced from the factory facility and the rain water collected naturally using the slope of the land is recycled and re-used in irrigating the surrounding landscape.
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