Open Access
Table 4
Regression dependence of the sunflower yield parameters on the climate and soil variables*.
| Parameters of the sunflower yield trend | ||||
|---|---|---|---|---|
| Predictors | Slope Radj2 = 0.43, F = 16.7, p < 0.001 |
Lower Limit Radj2 = 0.58, F = 28.9, p < 0.001 |
Upper Limit Radj2 = 0.34, F = 11.7, p < 0.001 |
ED50 Radj2 = 0.37, F = 11.6, p < 0.001 |
| Climate principal components | ||||
| Climate_1 | – | 0.41 ± 0.13 | 0.56 ± 0.13 | 0.54 ± 0.13 |
| Climate_2 | 0.16 ± 0.08 | – | 0.19 ± 0.08 | 0.17 ± 0.08 |
| Climate_3 | –0.14 ± 0.06 | – | 0.30 ± 0.07 | 0.38 ± 0.07 |
| Climate_4 | – | – | –0.15 ± 0.07 | –0.18 ± 0.07 |
| Edaphic principal components | ||||
| Soil_1 | 0.67 ± 0.09 | –0.59 ± 0.10 | –0.17 ± 0.08 | – |
| Soil_2 | 0.12 ± 0.05 | – | – | 0.20 ± 0.07 |
| Soil_3 | – | – | 0.24 ± 0.09 | –0.33 ± 0.05 |
| Soil_4 | – | – | – | – |
| Soil_5 | – | – | – | – |
| Soil_6 | – | 0.26 ± 0.07 | –0.15 ± 0.07 | – |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.