puits (1) groupe-cible (1) échantillonnage (1) réduction des risques (1) province (1) information (1) sécheresse (1) agriculture (1) documentation (1) catastrophe écologique (1) connaissances indigènes (1) Afrique (1) Documentation (1) Deterioration (1) Case (1) Article (1) Agriculture (1) Value (1) Usage (1) South Africa (1) Sampling (1) Reproduction (1) Grammar, Comparative and general--Case (1) Grammar, Comparative and general--Article (1) Generations (1) Farmers (1) Droughts (1) Documentation (1) Disasters (1) Communities (1)