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Barrage en terre --- Earth dams --- Impact sur l'environnement --- Environmental impact --- Drainage --- drainage --- Irrigation --- Aménagement de bassin versant --- Watershed management --- Érosion hydrique --- Water erosion --- Utilisation des terres --- land use --- Système de culture --- cropping systems --- Hygiène --- hygiene --- Santé publique --- public health --- Étude de cas --- case studies --- extension activities --- Burkina Faso --- drainage. --- hygiene.
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trees --- Dégât mécanique --- Mechanical damage --- Désertification --- Desertification --- Taille --- Pruning --- extension activities --- Faidherbia albida --- Afrique --- Africa --- Desertification. --- Reconstruction forestière
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