Region | Yield before | Yield after |
Millet | ||
Maradi | 391.57 ± 202.957 | 1160.45 ± 595.146 |
Zinder | 355.51 ± 430.271 | 741.62 ± 1283.997 |
t-test | t = 1.562. dl = 754. p > 0.119 | t = 6.104. dl = 753. p < 0.001 |
Cowpea | ||
Maradi | 276.45 ± 162.593 | 889.87 ± 615.755 |
Zinder | 283.14 ± 285.167 | 569.46 ± 523.011 |
t-test | t = −0.412. dl = 759. p > 0.680 | t = 7.232. dl = 758. p < 0.001 |