Root irrigation system
![]() | This is for when you want to get a lot of water down into the roots of your plants. Compared to watering on the surface, this prevents wastage lost to evaporation, and from water simply running off sideways and not reaching the plant at all. (In use it's all underground, with just the top coverplate visible on the surface, but it's hard to photograph most of it like that!) This design is made of four parts:
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