Have you ever think about turn your garden up on the wall?
In same space you can get 10 or 1000 times more. This is important for countries with limited resources. But lest take a look how you and me can do this at home..
Mini tomato farm at home.
Your own strawberry tower at home.
Here we get into real ecologic vertical home farming.
Build your own tower plantation.
As you see, to have your own home farm does not need the space of a farm. Anyone can have their own home farm.