Irrigation第 21 / 100 题
Subsurface drip irrigation is especially useful in which situation?
a.Watering a steep concrete slope
b.On slopes and narrow strips where overspray and runoff must be avoided
c.Filling a decorative pond
d.Cooling a patio surface
解析
Subsurface drip places emitter tubing below the soil surface, delivering water directly to roots with virtually no overspray or runoff. This makes it well suited for slopes and narrow strips where spray irrigation would waste water on pavement. It also reduces evaporation and weed germination at the surface.
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