Minimum Growing Space

[Scythe13]

Can I bring a quick thought into the pot.

There are many permaculture groups, and even more aquaponic people, that are more than able to harness a little over a tennis court to feed a person.

If you're smart about it, I think you would simply adjust the quantities and go for the most abundant food sources from the least plants.

For example, with meat...unless you're going for something like crickets (9 pounds of protein for 10 pounds of food they require) as opposed to beef or pork (1 pound of meat per 10 pounds of food they require), opt to change that for more chickens. Then you have more eggs and chicken breast. Add a cockerel to keep the supply of chickens topped up.

With grains...don't bother! Way too land consuming, and it's simple enough to grow plenty of other higher yielding crops.

I think the guy that created something like a million pounds of food in a little over 3 acres of land, has been posted about a few times before. He uses aquaponics. If a similar system was used, it would be simple enough to scale it, when integrated with vertical gardening, to at least half the amount of area required.