| constant | cBiomassLossRateAtPartitioning | Rate of root biomass, that is not distributed to lateral roots | DOUBLE | 1 | - | - | 0.005 |
| constant | cBulkDensity | - | DOUBLEARRAY | g/cm3 | 0.0 | 20.0 | - |
| constant | cBulkDensityThresholdLower | - | DOUBLE | g/cm3 | 0.0 | 20.0 | 0.05 |
| constant | cBulkDensityThresholdMiddle | - | DOUBLE | g/cm3 | 0.0 | 20.0 | 0.05 |
| constant | cBulkDensityThresholdUpper | - | DOUBLE | g/cm3 | 0.0 | 20.0 | 0.05 |
| constant | cDailyDeadRootsRate | - | DOUBLE | m | 0.001 | 20.0 | 0.02 |
| constant | cDeadRootsDevStage | - | DOUBLE | 1 | 0.001 | 20.0 | 0.02 |
| constant | cMacroporeRootGrowthFactor | - | DOUBLE | 1 | - | - | 0.0 |
| constant | cMacroporeVolume | fraction of macropore volume | DOUBLEARRAY | 1 | 0.0 | 100.0 | - |
| constant | cMaximalSeminalRootLengthPerDay | - | DOUBLE | m | 0.0 | 20.0 | 0.033 |
| constant | cMinimalBDSeminalRootReductionFactor | - | DOUBLE | 1 | -1.0 | 1.0 | -1.0 |
| constant | cNSRPP | number of seminal roots | DOUBLE | 1 | - | - | 5.0 |
| constant | cRINPOP | number of emerged plants per m2 | DOUBLE | 1 | - | - | 200.0 |
| constant | cRTFAC | temperature factor driving penetration of seminal roots | DOUBLE | 1 | - | - | 0.12 |
| constant | cSEEDD | - | DOUBLE | m | 0.001 | 20.0 | 0.02 |
| constant | cSandPercentage | - | DOUBLEARRAY | g/hg | 0.0 | 100.0 | - |
| constant | cSoilStrengthParameter | - | DOUBLE | 1 | -1.0 | 2.0 | -1.0 |
| constant | cTHICKL | - | DOUBLE | m | 0.001 | 20.0 | 0.0 |
| constant | cWLROOT | specific weight of lateral roots (in g m-1 ??) | DOUBLE | 1 | - | - | 0.0035 |
| constant | cWSROOT | specific weight of seminal roots in g m-1 | DOUBLE | 1 | - | - | 0.015 |
| input | cSoilLayerDepth | - | DOUBLEARRAY | m | - | - | - |
| input | iDevStage | - | DOUBLE | 1 | 0.0 | 3.0 | 0.0 |
| input | iDryFactor | - | DOUBLEARRAY | 1 | 0.0 | 1.0 | - |
| input | iIsHarvest | - | BOOLEAN | 1 | - | - | false |
| input | iRWRT | - | DOUBLE | g/m2 | 0.0 | 20.0 | 0.0 |
| input | iSoilTemperature | - | DOUBLEARRAY | °C | -50.0 | 50.0 | - |
| input | iTMAX | - | DOUBLE | °C | -50.0 | 50.0 | - |
| input | iTMIN | - | DOUBLE | °C | -50.0 | 50.0 | - |
| state | sLateralRootLength | - | DOUBLEARRAY | m | 0.0 | 500.0 | - |
| state | sRootAge | - | DOUBLEARRAY | m | 0.0 | 500.0 | - |
| state | sSEEDDAdjusted | - | DOUBLE | m | 0.0 | 20.0 | 0.02 |
| state | sSeminalRootDepth | Depth of seminal roots | DOUBLE | m | 0.0 | 50.0 | 0.0 |
| state | sSeminalRootLength | - | DOUBLEARRAY | m | 0.0 | 500.0 | - |
| rate | rSRERR | - | DOUBLE | m/d | 0.0 | 2.0 | 0.0 |
| BiomassBalance | - | DOUBLE | g/m2 | null |
| DeadRootRatePerLayer | daily dead roots rate per layer | DOUBLEARRAY | g/m2 | null |
| MD95 | Depth of seminal roots expressed as number of layers | INT | 1 | null |
| RelativeRootLengthPerLayer | relative root length per layer | DOUBLEARRAY | m | null |
| RootLengthDensityPerLayer | total root length density per layer | DOUBLEARRAY | 1 | null |
| RootRestrictionFactor | Root restriction factor | DOUBLEARRAY | 1 | null |
| THICKL | - | DOUBLE | m | null |
| TotalRootBiomass | Total Root Biomass | DOUBLE | g/m2 | null |
| TotalRootBiomassPerLayer | total biomass per layer | DOUBLEARRAY | g/m2 | null |
| TotalRootLengthPerLayer | total root length per layer | DOUBLEARRAY | m | null |
| UnusedRootBiomass | - | DOUBLE | g/m2 | null |