Is anyone aware of remote control systems for irrigation valves? Such systems would allow for actuation of valves at sites without requiring wires.

While working as a volunteer on the Kibbutz SDE-BOQUER, near Beer-Sheva in Israel, I was impressed by the degree of automation of the irrigation infrastructure, which was computer-controlled, but via a micro-hydraulic actuator system, which I didn't understand. The University of the Negev is almost next door, and I'm sure someone there could give you an idea of what might be both available and practical.

Gilmour make a fine little battery operated one zone controller that works very well for us in the field when we don't have electricity.  Depends on how big you are going for it to be cost effective.  We have tried other battery operated ones but the Gilmour lasts the longest and is most reliable and sturdy.  Try Gilmour on the web(filter).

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