Table 4
Number of observations per treatment, p-values and levels of significance of the statistical analysis for the four factors (WOR = winter oilseed rape; CP = companion plants; ADW = aerial dry weight; ANC = aerial N content, [N] = aerial N concentration; NUE = nitrogen use efficiency).
| n/ | p-value | ||||
| Treatment | Treatment | Site | Year | Site*year | |
| WOR ADW November | 42 | 0.05 | 4.98e-10∗∗∗ | < 2.2e-16∗∗∗ | 1.98e-15∗∗∗ |
| CP ADW November | 42 | 2.14e-05∗∗∗ | 3.63e-11∗∗∗ | < 2.2e-16∗∗∗ | 0.11 |
| WOR + CP ADW November | 42 | 3.17e-09∗∗∗ | < 2.2e-16∗∗∗ | < 2.2e-16∗∗∗ | 1.31e-10∗∗∗ |
| WOR ANC November | 42 | 0.33 | 2.36e-09∗∗∗ | < 2.2e-16∗∗∗ | 7.25e-15∗∗∗ |
| CP ANC November | 42 | 9.95e-07∗∗∗ | 4.71e-10∗∗∗ | < 2.2e-16∗∗∗ | 0.09 |
| WOR + CP ANC November | 42 | 5.06e-13∗∗∗ | 2.55e-10∗∗∗ | < 2.2e-16∗∗∗ | 4.26e-06∗∗∗ |
| WOR [N] November | 42 | 2.95e-05∗∗∗ | < 2.2e-16∗∗∗ | < 2.2e-16∗∗∗ | 7.21e-16∗∗∗ |
| % Bushy plants | 18 | 0.10 | 0.02e-02∗∗∗ | 8.73e-11∗∗∗ | 7.41e-06∗∗∗ |
| % weed cover | 12 | 0.01∗∗∗ | 2.39-0.9∗∗∗ | < 2.2e-16∗∗∗ | / |
| WOR ADW G4 (all trials) | 27 | 0.01∗∗ | < 2.2e-16∗∗∗ | 0.05e-1∗∗ | 1.26e-07∗∗∗ |
| WOR ANC G4 (all trials) | 27 | 0.19 | < 2.2e-16∗∗∗ | 0.02e-2∗∗∗ | 0.21 |
| WOR ANC G4 (NNI< 1) | 12 | 0.28 | 2.73e-05∗∗∗ | 3.15e-05∗∗∗ | / |
| WOR ANC G4 (NNI> 1) | 15 | 0.15 | 2.16e-12∗∗∗ | 0.56 | / |
| Grain Yield (all trials) | 36 | 0.02∗ | < 2.2e-16∗∗∗ | < 2.2e-16∗∗∗ | < 2.2e-16∗∗∗ |
| Grain Yield (NNI< 1) | 15 | 0.21 | < 2.2e-16∗∗∗ | 4.69e-05∗∗∗ | 3.01e-08∗∗∗ |
| Grain Yield (NNI> 1) | 21 | 0.04e-01∗∗ | 0.07e-02∗∗∗ | 6.16e-16∗∗∗ | 0.07 |
| Grain yield deviation from sole WOR | 36 | 0.06e-01∗∗ | 6.18e-05∗∗∗ | 3.18e-09∗∗∗ | 0.35 |
| Grain NUE | 36 | < 2.2e-16∗∗∗ | < 2.2e-16∗∗∗ | < 2.2e-16∗∗∗ | < 2.2e-16∗∗∗ |
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