The principal aim of urban agriculture is the provision of fresh produce for city markets. These days one possible option for victims of the economic crisis can be market gardening. However, because market gardening often develops somewhat haphazardly on the periphery of the larger towns, pushed out from the centres by the advance of the concrete jungle, the sale and distribution of produce is often difficult. Agriculture continues to A flourish in many towns despite the relentless and rapid expansion of urbanization. Even in the very heart of the cities one can see rows of carefully tended vegetables on river banks, railway embankments and on waste ground. Similarly, there are few patches of land where there are no chickens, sheep ...