[Promotion and intensification of food production especially cereal, and soils restoration in six communes of the prefecture of Gikongoro [in Rwanda]: the differentiated participative extension: its principles-its accompaniments: work document number 134]

cereales cereals development projects exploitation agricole explotaciones agrarias extension extension activities farm inputs farms food production formation identification insumos agricolas methode methods moyen de production agricole production alimentaire proyectos de desarrollo recherche research rural planning rwanda training vulgarisation agricole