For the crop model WARM, the Forcing component calculates new values of biomass starting from the LAI/NDVI values provided by the user with the following equations:

 

 

where:

LeavesAGBd = daily above ground biomass partitioning to leaves at the current time step (kg ha d-1)

LAI = leaf area index (m2 m-2)

SLA = specific leaf area at the current time step (m2 kg-1)

StemsAGBd = daily above ground biomass partitioning to stems at the current time step (kg ha d-1)

StemsAGBd-1 = daily above ground biomass partitioning to stems at the previous time step (kg ha d-1)

LeavesAGBd-1 = daily above ground biomass partitioning to leaves at the previous time step (kg ha d-1)

StorageOrgansAGBd = daily above ground biomass partitioning to storage organs at the current time step (kg ha d-1)

StorageOrgansAGBd-1 = daily above ground biomass partitioning to storage organs at the previous time step (kg ha d-1)

LeavesAGBd-1 = daily above ground biomass partitioning to leaves at the previous time step (kg ha d-1)

TotalAGBd = daily above ground biomass at the current time step

 

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