Depends, as soon as you get into the exurbs where plots of land range from 1 to 5 acres, you can start growing a significant % of your caloric needs on your land.
Not with lettuce or fruits, of course, but with potatoes/beans and gourds likely.
Not with lettuce or fruits, of course, but with potatoes/beans and gourds likely.
I'm told farming is very hard work though, especially without machines.