Hibler, M.2007-11-131999-02-262007-11-131976http://hdl.handle.net/10625/22068French version available in IDRC Digital Library: Systèmes culturaux pour petits cultivateursp. 14-15enCULTIVATION SYSTEMSON-FARM RESEARCHSMALL FARMSRICECropping systems for small farmsJournal Article