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What do you guys think of vertical farming?
(slrpnk.net)
Vertical farming, the best solution to support an ever growing population or just a scam?
IMHO it has a lot of potential but not being able to grow grains really is something that should be tackled sooner rather than later. But I could see this being used by self sustaining communities to provide lots of food while using very little space. And it's technically more environmentally friendly than just using vast stretches of land to produce the same amount of food.
In the picture shown here, do the roots go out of the individual baskets and into a pool of water?
They do! The water splashes on them and they can happily absorb their food. :)
They get greedy though so the roots need to be maintained just like the rest of the plant.