Seeds and survival: crop genetic resources in war and reconstruction in Africa. A report commissioned by the International Plant Genetic Resources Institute and the Joint Working Group on Technology and Agrarian Development, Agricultural University, Wageningen

africa afrique ayuda de emergencia conflictos sociales cultivos alimenticios emergency relief food crops genetic resources germplasm conservation guinea-bissau liberia plantas plante plante alimentaire plants secours d'urgence seed semence semillas sierra leona sierra leone social unrest trouble social