Région | Mais | Mil | Sorgho | Sésame | Test |
Dosso | 53.6 ± 5.2ab | - | - | - | - |
Tahoua | 45 ± 2.7a | 68 ± 4 | 47.2 ± 11.5 | - | F = 3.4; P = 0.06 |
Maradi | 58 ± 7.3b | 62 ± 1b | 62.25 ± 8.8b | 9.7 ± 2a | F = 42.5; P< 0.001 |
Zinder | 60 ± 10b | 45.7 ± 7.8 | - | - | t = 3.7; P = 0.001 |
Test | F = 3.2; P = 0.03 | F = 6.86; P = 0.08 | t = 3.6; P = 0.001 | - | - |