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Evaluation of the ferrous savannas of the High-Ogooue Gabon. Potato is after cassava and sweet potato, the third culture practished in Ituri area. In this respect, it highly contributes to the feeding of the population and at the same time is a source of their income. There is no indication as when potato culture has been broughtin Ituri. However, research works on this speculation have well begun in 1941 but were suspended in 1959 due to political crisis is... preceded our independance. They have effectively started again in the beginning of 1989, yet no result is given. Despite favorable ecological conditions its expansion is slow nowadays owing to difficulties such as insufficience of selected seeds as well as ignorance of conservation techniques.