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The Ségou region, in central Mali, is located in a Sudano-Sahelian milieu crossed by the Niger river, and is endowed with an important agricultural sector. Beside the specific case of the Office du Niger nicknamed 'the Mali rice bowl' (Bonneval, 2002), within Segou local marketing of mechanical tools is expanding for the cultivation of bush fields as well as irrigated areas producing fruits and vegetable along rivers. Increased demand from local farmers for an equipment adapted to their needs and income has led to direct import networks connecting Segou to Asia, the Middle East and Europe. A typology of the various importers and retailers of agricultural tools corresponds to the classification of the farms, urban or not, that use this equipment. Blossoming fruit and vegetable gardens use powered irrigation along the Niger and Bani banks and constitute a type model of farm. Lastly, these new dynamics of agricultural mechanization lead to a specific regional geography, engendering numerous technical and social impacts on farming families.