La collecte des eaux de ruissellement pour l’agriculture en Afrique Sub-Saharienne

This video explains the basics of water harvesting in dry areas. It starts with an introduction on runoff and soil erosion and continues with an explanation of a series of water harvesting techniques.

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Produced by: William Critchley, Chris Rey – Garton Film & Video
Year: 1988
Language: French, also available in English

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gully somalia half moon stone bunds harvesting Sudan Kenya trapezoidal bund land tenure trash line Niger trenches Africa pits Turkana arid ridges windbreak Burkina Faso rock dam contour runoff Critchley semi-arid  
Date
May 15, 2020  
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