Conspicuously absent from the Ten Commandments is any obligation of parent to child. We must suppose that God felt it unnecessary to command by law what He had ensured by love.
No matter where you are you can grow something to eat. Shift your thinking and you'd be surprised at the places your food can be grown! Window sill, fire escape and rooftop gardens have the same potential to provide impressive harvests as backyard gardens, greenhouses and community spaces.