Bélanger, S.2007-11-131999-04-012007-11-131987http://hdl.handle.net/10625/23060French version available in IDRC Digital Library: Tubercules quatre saisonsSpanish version available in IDRC Digital Library: Tubérculos en el pais de las mil colinasp. 20enSOIL DEGRADATIONAGRICULTURAL MANAGEMENTSWEET POTATOESCASSAVACROP YIELDRWANDATubers on a thousand hillsBalancing the economic burdenJournal Article