| Culture du niébé - Rendement par région | ||||
| Unité : kg / hectare | ||||
| 2005 | 2006 | 2007 | ||
| Ensemble | 169 | 168 | 210 | |
| Agadez | - | - | - | |
| Diffa | 110 | 107 | 383 | |
| Dosso | 144 | 144 | 195 | |
| Maradi | 164 | 164 | 146 | |
| Niamey | 172 | 188 | 6 | |
| Tahoua | 238 | 238 | 76 | |
| Tillabéri | 144 | 144 | 127 | |
| Zinder | 150 | 150 | 463 | |
| Source : Direction des Cultures Vivrières | ||||