Département du Nord (1) Cameroun (1) Seedlings (1) Nineteen fifties (1) Biodiversity (1) Year (1) Waste lands (1) Vertisols (1) Value (1) Time (1) Sorghum (1) Revenge (1) Rain and rainfall (1) Plant indicators (1) Gaze (1) Culture (1) Cognition (1) Botany (1) Traditional farming (1) Agricultural ecology (1) Knowledge and learning (1) Management (1) Technique (1) Soils (1) Agricultura tradicional (1) Ecología agrícola (1) Venganza (1) Biodiversidad (1) Valor (Economía) (1) Botánica (1)