Table 5 Analysis of variance (ANOVA) p-values for the effects of tillage method, seeding method, and their interaction (T × S), on nitrogen accumulation, nitrogen uptake efficiency (NUpE), and the net returns in 2017 and 2018.
Year | Treatment | Nitrogen accumulation | NUpE | Net returns | ||
|---|---|---|---|---|---|---|
Pre-anthesis | Post-anthesis | Total | ||||
2017 | Tillage method (T) | 0.011 | 0.353 | 0.019 | 0.005 | 0.014 |
Seeding method (S) | 0.006 | 0.006 | < 0.001 | 0.001 | < 0.001 | |
T × S | 0.346 | 0.830 | 0.296 | 0.237 | 0.194 | |
2018 | Tillage method (T) | 0.042 | 0.947 | 0.034 | 0.042 | 0.011 |
Seeding method (S) | 0.048 | 0.006 | < 0.001 | < 0.001 | < 0.001 | |
T × S | 0.017 | 0.267 | 0.014 | 0.002 | 0.001 | |