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What do you guys think of vertical farming?
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Do you have details on this?
Ah not really, just did the math a while ago with someone. I was arguing that it was inefficient and stupid to put a solar panel somewhere to generate electricity to grow plants with LEDs vs just putting the plants under the sun. We saw that not only was it actually possible energy-wise but if you take the limits of the efficiencies in terms of LEDs and solar panel you could barely stack two levels of plants. It was something like 5 years ago so I guess efficiency has raised since then.
One for one the efficiency improvement is not so great, but it allows extending the time of light availability, which can make a real difference in northern latitudes during winter time.