The place of urban and peri-urban agriculture (UPA) in national food security programmes

agricultura urbana agriculture urbaine agroforesteria agroforesterie agroforestry bolivia (estado plurinacional de) brasil case studies food processing food safety ganado horticultura horticulture inocuidad alimentaria livestock namibia namibie periurban areas procesamiento de alimentos senegal sri lanka traitement des aliments urban agriculture urban areas zonas urbanas zone urbaine