The main soil types are: coastal sandy soils, occupied mostly by coconut trees; lateritic soils in the south frequently covered with oil palms associated with maize,cassava, groundnuts, cowpeas and others; gray and leached ferruginous soils, in central and northern parts of the country, which are well suited to e.g. maize, cassava, groundnuts, vouandzou,sorghum, millet and cowpea.