If you're looking for a way to grow lots of produce without supervising a garden- and that means not worrying about fertilizer, slugs or watering - this is the system you want to look in to.
Larry Hall, inventor of the Rain Gutter Gardening System gives you the basic idea here, explaining that it takes container gardening to a new level.
The plants are always supplied with the right amount of water and nutrients, absorbing just what they need. You can build one for $50.
If you're interested in learning more you should visit his website at: