The utility model can be widely used in damp and rainy or dry and rainless environments.
可广泛应用潮湿多雨、干燥少雨的各种环境中。
In the northern part of our country where the climate is dry and rainless, the afforesting survival rate is very low If repeat afforestation, it enable production sustain a loss.
我国北方地区干旱少雨，地表水源缺乏，造林成活率很低，重复造林使生产蒙受巨大损失。
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