Hello kr3t3n,
Yes, it will be a low pressure
aeroponic system. Not only is a low pressure system much easier and cheaper to build, but a low pressure system would also produce larger diameter roots, and thus I would think potatoes as well.
Quote:
How would you calculate the watering frequency and gaps between?
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Like always, by plant observation mostly. There are so many variables that the only real way to know if a plant is getting what it needs is by observation. I would probably start with a regular timer that has minimum 15 on/off times, and run it alternately. 15 on, and 15 off. If I felt that was to long between cycles, I would switch to a cycle timer and probably start running it for 5 on, and 5-10 off.