Maize land (hectare) | Contrast | Tukey | ||||
SE | t | p > t | (95% Conf. Interval) | |||
1.51 - 3.00 vs. 0 - 1.50 | 0.07 | 0.09 | 0.79 | 0.86 | −0.16 | 0.29 |
3.10 - 5.00 vs. 0 - 1.50 | 0.18 | 0.10 | 1.91 | 0.23 | −0.07 | 0.43 |
5.1 - Above vs. 0 - 1.50 | 0.32 | 0.09 | 3.35 | 0.01 | 0.07 | 0.56 |
3.10 - 5.00 vs. 1.51 - 3.00 | 0.12 | 0.09 | 1.22 | 0.61 | −0.13 | 0.36 |
5.1 - Above vs. 1.51 - 3.00 | 0.25 | 0.09 | 2.68 | 0.04 | 0.01 | 0.49 |
5.1 - Above vs. 3.10 - 5.00 | 0.13 | 0.10 | 1.30 | 0.56 | −0.13 | 0.39 |