Introduction: -

Sudan is a large country, with a diverse range of ecological zones. These ecological zones extend from the desert in the north to the forest in the south .Its total area amounts to 250 million hectares. The population of Sudan is around 36million inhabitants(2006) and about 75% of them sustain their livelihoods from farming and livestock raising.

There are 4 distinct types of land use, which are practiced through out the country. And these are: -

Þ  Irrigated agriculture;

Þ  Mechanized rain fed agriculture;

Þ  Traditional rain fed agriculture and

Þ  Livestock-raising.