AW1 | Available water above pwp in layer 1 (mm) |
AWmax | Available water at field capacity (mm) |
D | Atmospheric saturation deficit (kPa) |
DAE | Days after 50% emergence |
DAR | Days after last rain or irrigation (d) |
DAS | Days after sowing |
Deficit | Water amount required to fill layer 1 to FC (mm) |
DR2 | Drainage from layer 2 to layer 3 (mm d1) |
dRF/dt | Root front velocity (mm d-1) |
Drrate | Relative drainage rate (d-1) |
EEQ | Equilibrium evaporation (mm d-1) |
ES | Daily soil evaporation (mm d-1) |
ESO | Daily potential soil evaporation (mm d-1) |
EVAPO | Potential evaporation (mm d-1) |
F_Root | Daily fractional partitioning to roots |
FC | Soil moisture at field capacity (volume %) |
Fi | Fraction of radiation intercepted by leaves |
Frs | Fraction of seed material converted to plant biomass |
GrainW | Individual grain weight (g seed-1) |
Growth | Daily biomass assimilation (g m-2 d-1) |
HI | Harvest index; pod:shoot weight ratio |
Himax | Cut off point for maximum harvest index |
K | Light extinction coefficient |
L | Leaf area index |
LeafW | Leaf weight (g m-2 d-1) |
LLG | Radiation limited growth |
LLP | Daily light limited photosynthetic rate (g m-2 d-1) |
LSR | Leaf : shoot weight ratio |
LSRi | Initial value of LSR |
MOISTi | Initial soil moisture (volume %) |
PodW | Pod dry weight (g m-2) |
POP | Population density (plants m-2) |
PWP | Soil moisture at permanent wilting point (volume %) |
RD | Root density (m m-3) |
Rlfactor | Root length factor (g m-1) |
RootL | Total root length (m m-2) |
RootW | Root dry weight (g m-2) |
ShootW | Shoot dry weight (g m-2) |
SLA | Specific leaf area (m-2 g-1) |
Stindex | Stress index, genotype constant for stress tolerance |
Stress | Drought stress |
Tbase | Base temperature for crop development (°C) |
Tfactor | Photosynthesis correction factor for temperature |
Tmax | Daily maximum temperature (°C) |
Tmean | Daily mean temperature (°C) |
Tmin | Daily minimum temperature (°C) |
Topt1 | Lower optimum temperature for photosynthesis (°C) |
Topt2 | Higher optimum temperature for photosynthesis (°C) |
TT | Thermal time (°C d-1) |
TTemerg | Thermal time requirement for 50% emergence (°C d-1) |
TT_pod | Thermal time for pod initiation (°C d-1) |
Umax | Maximum relative water uptake rate (mmwater mm-1soil d-1) |
Upot | Potential transpiration (max uptake by roots) (mm d-1) |
Uptake1 | Actual water extraction by roots in layer 1 (mm d-1) |
WLG | Water limited growth |
WLP | Daily water limited photosynthesis (g m-2 d-1) |
Radiation use efficiency (g MJ-1) | |
Transpiration equivalent (g kg kPa-1) | |
Actual soil moisture (volume %) |