| constant | cDTSMTB | increase in temperature sum as dependent on mean daily temperature | DOUBLEARRAY | °C | - | - | - |
| constant | cDVSI | development stage of crop (from 0 to 2) | DOUBLE | 1 | - | - | 0.0 |
| constant | cIDEM | Day of emergence | INT | 1 | - | - | 0 |
| constant | cIDPL | Day of planting | INT | 1 | - | - | 1 |
| constant | cIDSL | development from emergence to flowering depends on temperature (=0), temperature + day length (=1) | INT | 1 | - | - | 0 |
| constant | cPHOTTB | table of development rate reduction until flowering by daylength | DOUBLEARRAY | | - | - | - |
| constant | cPL | start at planting | BOOLEAN | 1 | - | - | true |
| constant | cTBASEM | - | DOUBLE | | - | - | 0.0 |
| constant | cTEFFMX | max. eff. temp. for emergence | DOUBLE | | - | - | 30.0 |
| constant | cTSUM1 | temperature sum required for vegetative period (from emergence to flowering) | DOUBLE | | - | - | 1050.0 |
| constant | cTSUM2 | temperature sum required for generative period | DOUBLE | | - | - | 1000.0 |
| constant | cTSUMEM | required temperature sum for crop emergence | DOUBLE | | - | - | 60.0 |
| constant | cTSUMMilkripeness | temperature sum from anthesis to milkripeness | DOUBLE | | - | - | 0.0 |
| constant | cVBASE | Vernalisation base thermal day | DOUBLE | 1 | - | - | 0.0 |
| constant | cVERNRT | Vernalisation factor dependend by average temperature | DOUBLEARRAY | 1 | - | - | [Ljava.lang.Double;@1f78d415 |
| constant | cVERSAT | Vernalisation max thermal day | DOUBLE | 1 | - | - | 0.0 |
| constant | cVernalisationDevStage | maximal devstage up to which vernalisation is applied | DOUBLE | 1 | - | - | 0.3 |
| input | iDDLP | Photoperiodic daylength | DOUBLE | h | - | - | 0.0 |
| input | iDoHarvest | harvesting | BOOLEAN | 1 | - | - | false |
| input | iDoSow | sowing | BOOLEAN | 1 | - | - | false |
| input | iTMAX | maximal air temperature during day (output of routine WEATHR) | DOUBLE | °C | - | - | 0.0 |
| input | iTMIN | minimal air temperature during day (output of routine WEATHR) | DOUBLE | °C | - | - | 0.0 |
| state | WithCrop | - | BOOLEAN | | - | - | false |
| state | sDVS | initial development stage of crop (from 0 to 2) | DOUBLE | 1 | - | - | 0.0 |
| state | sTSULP | temperature sum from sowing/planting | DOUBLE | | - | - | 0.0 |
| state | sTSUM | temperature sum from emergence | DOUBLE | | - | - | 0.0 |
| state | sTSUML | temperature sum from emergence inclusive day length effect | DOUBLE | | - | - | 0.0 |
| state | sVERN | vernalisation days | DOUBLE | | - | - | 0.0 |
| rate | rDTSULP | increase in temperature sum from planting or sowing | DOUBLE | °C | - | - | 0.0 |
| rate | rDTSUM | actual increase in temperature sum from emergence without reduction (RDAYL) | DOUBLE | °C | - | - | 0.0 |
| rate | rDTSUML | actual increase in temperature sum from emergence with reduction for day length (RDAYL) | DOUBLE | °C | - | - | 0.0 |
| rate | rDVR | rate of phenological development | DOUBLE | d-1 | - | - | 0.0 |
| rate | rRVERNR | vernal day increase rate | DOUBLE | °C | - | - | 0.0 |
| out | AnthesisDOY | DOY of Anthesis | INT | 1 | - | - | 0 |
| out | AnthesisDate | Date of Anthesis | DATE | 1 | - | - | - |
| out | EMERG | has emerged | BOOLEAN | 1 | - | - | false |
| out | EmergenceDOY | DOY of Emergence | INT | 1 | - | - | 0 |
| out | EmergenceDate | Date of Emergence | DATE | 1 | - | - | - |
| out | FLOW | has flowered | BOOLEAN | 1 | - | - | false |
| out | GrowingPeriode | Period of Sowing | INT | 1 | 0 | 1000 | 0 |
| out | IDEMERG | Day of emergence | INT | 1 | - | - | 0 |
| out | IsAnthesis | true if Anthesis date | BOOLEAN | 1 | - | - | false |
| out | IsEmergence | true if Emergence date | BOOLEAN | 1 | - | - | false |
| out | IsMaturity | true if maturity date | BOOLEAN | 1 | - | - | false |
| out | IsMilkripeness | true if milkripeness date | BOOLEAN | 1 | - | - | false |
| out | IsPhenologyEvent | true if sowing/emergence/anthesis/maturity date | BOOLEAN | 1 | - | - | false |
| out | IsSowing | true if Sowing date | BOOLEAN | 1 | - | - | false |
| out | MATURITY | is mature | BOOLEAN | 1 | - | - | false |
| out | MILKRIPENESS | milkripeness has occured | BOOLEAN | 1 | - | - | false |
| out | MaturityDOY | DOY of Maturity | INT | 1 | - | - | 0 |
| out | MaturityDate | Date of Maturity | DATE | 1 | - | - | - |
| out | MilkripenessDOY | DOY of Maturity | INT | 1 | - | - | 0 |
| out | MilkripenessDate | Date of Maturity | DATE | 1 | - | - | - |
| out | SOW | is sown | BOOLEAN | 1 | - | - | false |
| out | SowingDOY | DOY of Sowing | INT | 1 | - | - | 0 |
| out | SowingDate | Date of Sowing | DATE | 1 | - | - | - |