Changements techniques et dynamique d’innovation agricole en Afrique Sahelienne: le cas du Zaï mécanisé au Burkina Faso et de l’introduction d’une cactée en Ethiopie
In Africa, 45% of the land is located in regions where rainfed agriculture is weakened by recurrent droughts. In Burkina Faso, soil degradation can be limited by the Zaï technique, which is a very labour-intensive traditional, manual technique (300 h/ha). By mechanizing the operation it only takes 4...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | fra |
| Published: |
Éditions en environnement VertigO
2008-12-01
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| Series: | VertigO |
| Subjects: | |
| Online Access: | http://journals.openedition.org/vertigo/7442 |