| Variables | Unstandardized Coefficients | Standardized Coefficients | t | Sig. | ||
| B | Std. Error | Beta | ||||
| 氮 | (Constant) | 0.623 | 0.042 |
| 14.767 | 0.000 |
| 基质氮 | 3.686E−05 | 0.001 | 0.002 | 0.025 | 0.980 | |
| 肥料氮 | −8.694E−02 | 0.012 | −0.585 | −6.963 | 0.000 | |
| 磷 | (Constant) | 0.624 | 0.037 |
| 17.025 | 0.000 |
| 基质磷 | 9.843E−05 | 0.004 | 0.002 | 0.025 | 0.980 | |
| 肥料磷 | −7.795E−02 | 0.011 | −0.585 | −6.963 | 0.000 | |
| 钾 | (Constant) | 0.623 | 0.043 |
| 14.559 | 0.000 |
| 基质钾 | 2.675E−05 | 0.001 | 0.002 | 0.025 | 0.980 | |
| 肥料钾 | −6.876E−02 | 0.010 | −0.585 | −6.963 | 0.000 | |