[Activity report on cotton and cereals campaign 1981-1982 Senegal]

africa africa de habla francesa africa south of sahara afrique afrique au sud du sahara afrique francophone afrique occidentale arroz cereales cereals commercialisation coton cotton crops cultivos cultivos de grano economic plants feed crops feed grasses fibras fibras blandas fibras vegetales fibre fibre douce fibre vegetale fibres francophone africa glumiflorae grain crops gramineae gramineas graminee grasses growing media industrial crops marketing medio de cultivo medios de enraizamiento mercadeo methode methods milieu d'enracinement monocotyledons oil crops plant fibres plantas plantas azucareras plantas feculentas plantas forrajeras plantas industriales plantas oleaginosas plante plante de culture plante industrielle plants productos productos de origen vegetal products produit rice riz rooting media soft fibres starch crops substrat de culture sugar crops vegetable products west africa zea mays