The City farming plant module is an inexpensive method to create floating plant modules using off the shelf products. Using a semi-permeable cloth, soil and a soaker hose; modular planting units can be arranged however is desired, as long as it is in range of a water source.
The power of this project lies in its simplicity and power to accommodate many needs and personal tastes. The set up is inexpensive and materials are easily accessible. The only drawback is having access to a spigot.
SOURCE: http://www.n55.dk/manuals/CITY_FARMING/CITY_FARM.html
EDITOR’S NOTE: Can be used on any terrain, which is ideal for urban settings, as long as there is access to water.