Here is a great idea, combining rain water harvesting and drip irrigation.
A couple of articles I came across, that explain more about it.
Drip irrigation with rain water | Green-Trust.Org
It’s gardening time here in the southeast, and our thoughts return to watering. Rainwater is my favorite source of water, as it’s free, and takes no energy to.
Why Start a Rain Water Collection & Drip Irrigation System …
There’s nothing new about the idea of a rain barrel to store water for future use. People have been catching and storing rain water for centuries and in many countries rain still provides the majority of the water for irrigation, …
Hopefully, these will give you some ideas that could help you.
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