| constant | cK | Extinction coefficient for photosynthetically active radiation | DOUBLE | 1 | 0.0 | 1.0 | 0.6 |
| constant | cLAII | Initial rooting depth (at crop emergence) | DOUBLE | m | 0.0 | 0.1 | 0.012 |
| constant | cLaiCritical | Critical LAI beyond which leaves die due to self-shading | DOUBLE | m | 0.0 | 6.0 | 4.0 |
| constant | cLaiNStressReduction | N Stress on LAI | DOUBLE | 1 | 0.0 | 20.0 | 1.0 |
| constant | cLueNStressReduction | N Stress on LUE | DOUBLE | 1 | 0.0 | 20.0 | 1.0 |
| constant | cRDRL | max. rel. death rate of leaves due to water stress | DOUBLE | m | 0.0 | 20.0 | 0.05 |
| constant | cRDRNS | max. relative death rate of leaves due to N stress | DOUBLE | m | 0.0 | 20.0 | 0.05 |
| constant | cRDRSHM | Maximum relative death rate of leaves due to shading | DOUBLE | m | 0.0 | 6.0 | 0.05 |
| constant | cRDRT | Fractions Table Root Death | DOUBLEARRAY | 1 | - | - | - |
| constant | cRGRL | max. rel. death rate of leaves due to water stress | DOUBLE | m | 0.0 | 20.0 | 0.05 |
| constant | cRelativeDayOfEmergence | Relative Day of Emergence after Sowing | INT | 1 | 0 | 366 | 12 |
| constant | cSLA | Specific Leaf Area | DOUBLE | 1 | 0.0 | 20.0 | 0.2 |
| constant | cSlaNStressReduction | N Stress on Specific Leaf Area | DOUBLE | 1 | 0.0 | 20.0 | 1.0 |
| input | iAirTemperatureMean | AirTemperatureMean (weather file) | DOUBLE | °C | -50.0 | 50.0 | 0.0 |
| input | iCropAvailWaterContent | Crop available water content in soil | DOUBLE | 1 | 0.0 | 20.0 | 0.0 |
| input | iDevStage | Development stage of the plant | DOUBLE | 1 | 0.0 | 3.0 | 0.0 |
| input | iDoHarvest | Do Harvest | BOOLEAN | 1 | - | - | false |
| input | iDoSow | Do Sow | BOOLEAN | 1 | - | - | false |
| input | iEffectiveTempRateAfterAnt | AirTemperatureMean (weather file) | DOUBLE | °C | -50.0 | 50.0 | 0.0 |
| input | iEffectiveTempRateBeforeAnt | AirTemperatureMean (weather file) | DOUBLE | °C | -50.0 | 50.0 | 0.0 |
| input | iLUE | Light Use Efficiency | DOUBLE | 1 | - | - | - |
| input | iNitrogenNutritionIndex | Nitrogen Nutrition Index gives information of the fraction of Nitrogen the plant has available relative to the demand | DOUBLE | 1 | 0.0 | 1.0 | 1.0 |
| input | iPartLeavesFactor | Factor of part of biomass sent to Leaves | DOUBLE | 1 | 0.0 | 1.0 | 0.0 |
| input | iPartRootFactor | Factor of part of biomass sent to Root | DOUBLE | 1 | 0.0 | 1.0 | 0.0 |
| input | iPartStemsFactor | Factor of part of biomass sent to Stems | DOUBLE | 1 | 0.0 | 1.0 | 0.0 |
| input | iPartStorageOrgansFactor | Factor of part of biomass sent to StorageOrgans | DOUBLE | 1 | 0.0 | 1.0 | 0.0 |
| input | iRadiation | Daily global radiation (weather file) | DOUBLE | MJ/m2 | 0.0 | 2000000.0 | 0.0 |
| input | iTranspirationReductionFactor | Transpiration reduction | DOUBLE | 1 | 0.0 | 1.0 | 0.0 |
| input | iUnusedRootBiomass | Unused Root Biomass | DOUBLE | 1 | 0.0 | 20000.0 | 0.0 |
| state | sDaysSinceSowing | Days since Sowing | INT | 1 | 0 | 1000 | 0 |
| state | sLAI | Leaf area index | DOUBLE | 1 | 0.0 | 20.0 | 0.0 |
| state | sWLV | Biomass of leaves | DOUBLE | 1 | 0.0 | 20000.0 | 0.0 |
| state | sWLVD | - | DOUBLE | 1 | 0.0 | 20000.0 | 0.0 |
| state | sWLVG | - | DOUBLE | 1 | 0.0 | 20000.0 | 0.0 |
| state | sWRT | Biomass of Roots | DOUBLE | - | 0.0 | 20000.0 | 0.0 |
| state | sWSO | Biomass of Storage Organs | DOUBLE | 1 | 0.0 | 20000.0 | 0.0 |
| state | sWST | Biomass of Stems | DOUBLE | 1 | 0.0 | 20000.0 | 0.0 |
| rate | rDLAI | Rate of change of Leaf area index | DOUBLE | 1 | -20.0 | 20.0 | 0.0 |
| rate | rDeadLeaves | Rate of Leaves Death | DOUBLE | 1 | -200.0 | 20000.0 | 0.0 |
| rate | rDeadStems | Rate of dead stems | DOUBLE | 1 | -200.0 | 20000.0 | 0.0 |
| rate | rRWLVG | Rate of Green Leaves change | DOUBLE | 1 | -200.0 | 20000.0 | 0.0 |
| rate | rRWRT | Rate of Root Growth | DOUBLE | 1 | 0.0 | 20000.0 | 0.0 |
| AboveGroundBiomass | Sum of Biomass fractions above ground | DOUBLE | 1 | null |
| PARINT | Intercepted part of radiation | DOUBLE | 1 | null |