Edit:
This is not intended as "how to grow all your food you ever need at home".
It merely provides the vegetables.
You still have to get your grains (and therefore the majority of your calories) from somewhere else.
geteilt von: https://lemmy.ca/post/22193783
1 acre ~ 4000 m²
You need approx. 1200 m² to feed a person, so 1 acre was approx. a small-sized family farm back in the day.