Tomato

It covers 10% of the country and receives 350 to 600 mm per year and is constituted of a forest-steppe; Livestock is kind of transhumance; in this zone, cereal production are random Humidity decreases eastward and especially to the north. Marked by a thorn steppe vegetation and acacia trees, it remains the livestock favorite region. She gradually gave way to the Sahara which it is separated by the northern limit of crops under rain band poorly defined that substantially follows the 16th parallel, with a shift east-southeast.

Represents 12% of the land area. It receives 150 to 350 mm of rain per year. Its canopy consists of a sparse shrub steppe with abundant grass for grazing;