Photointerpretation, vocation et occupation des sols (pt.1: Text. pt.2: Maps) Inventaire des ressources et programmation du developpement de la vallee de l'Oti

alluvial soils cartografia cartographie cartography chemicophysical properties depth fertilidad del suelo flooded land genetic soil types hydromorphic soils lithosol lithosols litosoles pastizales pastures photointerpretation profondeur profundidad soil soil fertility soil texture soil types sol sol alluvial sol hydromorphe suelo suelo aluvial textura del suelo texture du sol tierras inundadas tipos de suelos type de sol