... 浅层睡眠 light sleep 浅层灌溉 shallow irrigation 浅层地震 shallow earthquake ; Shallow shock ...
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The results indicate that the nitrate-N leakage loss under the root zone caused by fertilizer irrigation could creat the pollution of shallow groundwater in Tangshan agricultural area.
计算结果表明，唐山农业区灌溉施肥引起根区以下硝态氮渗漏损失可造成浅层地下水的污染。
Groundwater table is shallow in Hetao irrigation district, and groundwater exploitation may decrease water demand from Yellow River to ensure water supply in lower reaches.
内蒙古河套灌区地下水位浅，合理利用地下水可以减少灌区引黄水量，保证黄河下游用水。
An automatic control system of field irrigation has been studied for. Reasonable irrigation and saving water and fitting to water-saving shallow and wet irrigation scheduling.
为做到合理灌溉，节约用水，配合采用节水型的浅湿灌溉制度，研制了一种田间灌溉自动化控制系统。
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