14-temperature.Rmd 1.3 KB

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  1. # Temperature
  2. As mentioned in previous sections, the temperature affects:
  3. * crop phenology via the thermal time ($\Delta TT$; Equation \@ref(eq:thermaltime))
  4. and crop vernalisation ($f_{V}$; Equation \@ref(eq:VernalisationFactor)),
  5. and via crop emergence (Equation \@ref(eq:Emergence)),
  6. * root depth growth ($f_{rt}$; Equation \@ref(eq:RootGrowthTemperature);
  7. Fig. \@ref(fig:wdTempRootFactor)),
  8. * radiation-limited biomass accumulation ($\Delta Q_{r}$; Equation \@ref(eq:BiomassProduction))
  9. via a stress factor ($f_{s}$), which depends on a temperature factor
  10. ($f_{T,photo}$; Equation \@ref(eq:TemStressPhoto)),
  11. * CO\textsubscript{2} effect on biomass accumulation via a temperature
  12. effect on the CO\textsubscript{2} compensation point $(C_{i}$; Equation \@ref(eq:CO2Factor4Photosynthesis);
  13. Fig. \@ref(fig:wdCardonDioxideFactor)),
  14. \item LAI senescence under minimum and maximum temperature ($\Delta LAI_{sen,\,frost}$,
  15. $\Delta LAI_{sen,\,heat}$; Equation \@ref(eq:SensFrost) and Equation \@ref(eq:SensHeat)),
  16. * biomass demand of `Grain` ($D_{g}$) and the rate of grain
  17. filling (Equation \@ref(eq:MealDemand); Fig. \@ref(fig:PhenologWheatModule)),
  18. * N demand of `Grain` (Equation \@ref(eq:NitrogenDemand); Fig. \@ref(fig:wdNitrogenTem)),
  19. ** VPD calculation (Equation \@ref(eq:VPD)).