Testing (1) Common bean (1) Minerals (1) Peasants (1) Matter (1) Impact (1) Economics (1) Management (1) Yields (1) Technological innovations (1) Soils (1) Performance (1) Judía común (1) Suelos (1) Materia (1) Economía (1) Minerales (1) Étude comparative (1) Ressource naturelle (1) Rapport (1) Pédologie (1) Gestion (1) Gouvernance (1) Rendements (1) Performances (1) Gestion des ressources naturelles (1) Cultures (1) Haricot commun (1) Trial (1) Terrains (1)