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  1. Key Resource 2011-01-01 A sand dam is a reinforced concrete wall built across a seasonal river to hold underground water in sand (see above photo of Nzaaya Muisyo sand dam, Eastern province, Kenya). It is initially built one meter high and up to 90 meters across. During the heavy and erratic seasonal rains, the water...  
  2. AccessAgriculture Video Stone lines induce a natural process of terracing as they trap sediments. They are also built to rehabilitate eroded lands. Farmers in Kenya show how they construct stone lines.  
  3. AccessAgriculture Training Video In the semi-arid savannas where rainfall is limited and highly unpredictable, retaining more water in the soil can make the difference between a poor and a good harvest. You can slow down the runoff water by establishing contour bunds. Contour bunds are permanent...  
  4. 2013-01-01 Ces directives donnent une vue d’ensemble des bonnes pratiques éprouvées de collecte de l’eau dans le monde entier. Celles-ci constituent un guide de référence pratique tout en offrant un support et une expertise technique spécifique pour l’intégration des technologies de collecte de l’eau dans...  

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