| Parameter | Definition | Base Value | Range |
| LAIMX1 | Fraction of the maximum plant leaf area index corresponding to the 1st point on the optimal leaf area development curve | 0.05 | 0 - 1 |
| CHTMX | Plant’s potential maximum canopy height (m) | 6 | 0.1 - 20 |
| FRGRW1 | Fraction of growing season corresponding to the 1st point on the optimal leaf area development curve | 0.05 | 0 - 1 |
| RDMX | Maximum rooting depth for plant (mm) | 3.5 | 0 - 3 |
| BLAI | Potential maximum leaf area index for the plant | 5 | 0.5 - 10 |
| BIOE | Radiation use efficiency in ambient CO2 ((kg/ha)/(MJ/m2)) | 15 | 10 - 90 |
| DLAI | Fraction of growing season at which senescence becomes the dominant growth process | 0.99 | 0.15 - 1 |