Thanks everyone. I've settled on standard 1/2" distribution line with 1/4" going to the individual plants. I've ordered a selection of non pressure compensated drippers and will experiment to see which ones work best with the low pressure supply. I'll set up a soaker hose to water the raspberries. Multiple valves connected to a sprinkler controller would likely work best for us. So... is anyone happy enough with their controller to recommend it? I'm going to be powering the unit with a solar panel so 24 vdc would be perfect but a small inverter is no problem either if the controller is 115 vac.
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