areas on the suburbs, particularly in the wine and olive oil industries. Indeed, thanks to a generally flat terrain and the two main rivers in Tunisia, the Medjerda to the north and the Milian to the south, soils are fertile. Tunis has several large plains, the most productive are in Ariana and La Soukra (north), the plain of Manouba (west) and the plain of Mornag (south). In addition, groundwater is easily accessible through the drilling of deep wells, providing water for the different agriculture crops. The soils are heavy and contain limestone in the north but are lighter and sandy containing clay in the south. There is much diversification in the municipality of Tunis, with Durum grown in Manouba, Olives and olive oil in Ariana and Mornag, wine (Mornag), and fruit, vegetable and legumes are grown in all regions