.. _crop_config: Creating a Crop =============== Every crop has a predefined set of parameters that need to be included. See the table below for information on these parameters. For the blank template to make a crop, see :ref:`crop_template`. Crop Parameters --------------- WOFOST Parameters ^^^^^^^^^^^^^^^^^ +----------------------+--------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+========================================================+========+=============================+ | CVL | Conversion factor for assimilates to leaves | SCr | - | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | CVO | Conversion factor for assimilates to storage organs | SCr | - | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | CVR | Conversion factor for assimilates to roots | SCr | - | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | CVS | Conversion factor for assimilates to stems | SCr | - | +----------------------+--------------------------------------------------------+--------+-----------------------------+ Assimilation Parameters ^^^^^^^^^^^^^^^^^^^^^^^ +----------------------+--------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+========================================================+========+=============================+ | AMAXTB | Max leaf CO2 assimilation rate as a function of DVS | TCr | kg ha-1 hr-1 | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | EFFTB | Light use efficiency of single leaf as a function of | TCr | kg ha-1 hr-1 /(J m-2 s-1)| | | | daily mean temperature | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | KDIFTB | Extinction coefficient for diffuse visible as function | TCr | - | | | of DVS | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | TMPFTB | Reduction factor of AMAX as function of daily mean | TCr | - | | | temperature | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | TNPFTB | Reduction factor of AMAX as function of daily minimum | TCr | - | | | temperature | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | CO2AMAXTB | Correction factor for AMAX given atmospheric CO2 | TCr | - | | | concentration | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | CO2EFFTB | Correction factor for EFF given atmospheric CO2 | TCr | - | | | concentration | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | CO2 | Atmospheric CO2 concentration | SCr | ppm | +----------------------+--------------------------------------------------------+--------+-----------------------------+ Evapotranspiration Parameters ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +----------------------+--------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+========================================================+========+=============================+ | CFET | Correction factor for potential transpiration rate | S | - | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | DEPNR | Dependency number for crop sensitivity to soil | S | - | | | moisture stress | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | KDIFTB | Extinction coefficient for diffuse visible as function | T | - | | | of DVS | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | IOX | Switch oxygen stress on (1) or off (0) | S | - | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | IAIRDU | Switch airducts on (1) or off (0) | S | - | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | CRAIRC | Critical air content for root aeration | S | - | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | SM0 | Soil porosity | S | - | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | SMW | Volumetric soil moisture content at wilting point | S | - | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | SMFCF | Volumetric soil moisture content at field capacity | S | - | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | CO2 | Atmospheric CO2 concentration | S | ppm | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | CO2TRATB | Reduction factor for TRAMX as function of atmospheric | T | - | | | CO2 concentration | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ Leaf Dynamics Parameters ^^^^^^^^^^^^^^^^^^^^^^^^ +----------------------+--------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+========================================================+========+=============================+ | RGRLAI | Maximum relative increase in LAI | SCr | ha ha-1 d-1 | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | SPAN | Life span of leaves growing at 35°C | SCr | d | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | TBASE | Lower threshold temp for ageing of leaves | SCr | C | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | PERDL | Max relative death rate of leaves due to water stress | SCr | - | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | TDWI | Initial total crop dry weight | SCr | kg ha-1 | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | KDIFTB | Extinction coefficient for diffuse visible light as | TCr | - | | | function of DVS | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | SLATB | Specific leaf area as a function of DVS | TCr | ha kg-1 | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | RDRNS | Max relative death rate of leaves due to nutrient | TCr | - | | | NPK stress | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | NLAI | Coefficient for the reduction due to nutrient NPK | TCr | - | | | stress of the LAI increase (during juvenile phase) | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | NSLA | Coefficient for the effect of nutrient NPK stress | TCr | - | | | on SLA reduction | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ NPK Dynamics Parameters ^^^^^^^^^^^^^^^^^^^^^^^ +----------------------+--------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+========================================================+========+=============================+ | NMAXLV_TB | Maximum N concentration in leaves as function of dvs | | kg N kg-1 dry biomass | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | PMAXLV_TB | Maximum P concentration in leaves as function of dvs | | kg P kg-1 dry biomass | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | KMAXLV_TB | Maximum K concentration in leaves as function of dvs | | kg K kg-1 dry biomass | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | NMAXRT_FR | Maximum N concentration in roots as fraction of | | - | | | maximum N concentration in leaves | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | PMAXRT_FR | Maximum P concentration in roots as fraction of | | - | | | maximum P concentration in leaves | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | KMAXRT_FR | Maximum K concentration in roots as fraction of | | - | | | maximum K concentration in leaves | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | NMAXST_FR | Maximum N concentration in stems as fraction of | | - | | | maximum N concentration in leaves | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | PMAXST_FR | Maximum P concentration in stems as fraction of | | - | | | maximum P concentration in leaves | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | KMAXST_FR | Maximum K concentration in stems as fraction of | | - | | | maximum K concentration in leaves | | | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | NRESIDLV | Residual N fraction in leaves | | kg N kg-1 dry biomass | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | PRESIDLV | Residual P fraction in leaves | | kg P kg-1 dry biomass | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | KRESIDLV | Residual K fraction in leaves | | kg K kg-1 dry biomass | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | NRESIDRT | Residual N fraction in roots | | kg N kg-1 dry biomass | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | PRESIDRT | Residual P fraction in roots | | kg P kg-1 dry biomass | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | KRESIDRT | Residual K fraction in roots | | kg K kg-1 dry biomass | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | NRESIDST | Residual N fraction in stems | | kg N kg-1 dry biomass | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | PRESIDST | Residual P fraction in stems | | kg P kg-1 dry biomass | +----------------------+--------------------------------------------------------+--------+-----------------------------+ | KRESIDST | Residual K fraction in stems | | kg K kg-1 dry biomass | +----------------------+--------------------------------------------------------+--------+-----------------------------+ Partitioning Parameters ^^^^^^^^^^^^^^^^^^^^^^^ +----------------------+------------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+============================================================+========+=============================+ | FRTB | Partitioning to roots as a function of development stage | TCr | - | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | FSTB | Partitioning to stems as a function of development stage | TCr | - | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | FLTB | Partitioning to leaves as a function of development stage | TCr | - | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | FOTB | Partitioning to storage organs as a function of development| TCr | - | | | stage | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NPART | Coefficient for the effect of N stress on leaf biomass | SCr | - | | | allocation | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NTHRESH | Threshold above which surface nitrogen induces stress | TCr | kg ha-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PTHRESH | Threshold above which surface phosphorous induces stress | TCr | kg ha-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KTHRESH | Threshold above which surface potassium induces stress | TCr | kg ha-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ Vernalization Parameters ^^^^^^^^^^^^^^^^^^^^^^^^ +----------------------+------------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+============================================================+========+=============================+ | VERNSAT | Saturated vernalisation requirements | SCr | days | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | VERNBASE | Base vernalisation requirements | SCr | days | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | VERNRTB | Rate of vernalisation as a function of daily mean | TCr | - | | | temperature | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | VERNDVS | Critical development stage after which the effect | SCr | - | | | of vernalisation is halted | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ Phenology Parameters ^^^^^^^^^^^^^^^^^^^^ +----------------------+------------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+============================================================+========+=============================+ | DTBEM | Consecutive days required above temperature for germination| SCr | day | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | TSUMEM | Temperature sum from sowing to emergence | SCr | C day | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | TBASEM | Base temperature for emergence | SCr | C | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | TEFFMX | Maximum effective temperature for emergence | SCr | C | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | TSUM1 | Temperature sum from emergence to anthesis | SCr | C day | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | TSUM2 | Temperature sum from anthesis to maturity | SCr | C day | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | TSUM3 | Temperature sum from maturity to death | SCr | C day | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | IDSL | Switch for phenological development options | SCr | - | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | DLO | Optimal daylength for phenological development | SCr | hr | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | DLC | Critical daylength for phenological development | SCr | hr | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | DVSI | Initial development stage at emergence | SCr | - | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | DVSM | Mature development stage, usually 2.0 | SCr | - | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | DVSEND | Final development stage | SCr | - | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | DTSMTB | Daily increase in temperature sum as a function of daily | TCr | C | | | mean temperature | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | DORM | Dormancy threshold after which the plant enters dormancy | SCr | day | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | DORMCD | The number of days a plant will stay dormant | SCr | day | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | AGEI | The initial age of the crop in years | SCr | year | +----------------------+------------------------------------------------------------+--------+-----------------------------+ Respiration Parameters ^^^^^^^^^^^^^^^^^^^^^^ +----------------------+------------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+============================================================+========+=============================+ | Q10 | Relative increase in maintenance respiration rate with | SCr | - | | | each 10 degrees increase in temperature | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RMR | Relative maintenance respiration rate for roots | SCr | kg CH2O kg-1 d-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RMS | Relative maintenance respiration rate for stems | SCr | kg CH2O kg-1 d-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RML | Relative maintenance respiration rate for leaves | SCr | kg CH2O kg-1 d-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RMO | Relative maintenance respiration rate for storage organs | SCr | kg CH2O kg-1 d-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ Root Dynamics Parameters ^^^^^^^^^^^^^^^^^^^^^^^^ +----------------------+------------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+============================================================+========+=============================+ | RDI | Initial rooting depth | SCr | cm | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RRI | Daily increase in rooting depth | SCr | cm day-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RDMCR | Maximum rooting depth of the crop | SCR | cm | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RDMSOL | Maximum rooting depth of the soil | SSo | cm | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | TDWI | Initial total crop dry weight | SCr | kg ha-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | IAIRDU | Presence of air ducts in the root (1) or not (0) | SCr | - | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RDRRTB | Relative death rate of roots as a function of development | TCr | - | | | stage | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RDRROS | Relative death rate of roots as a function of oxygen stress TCr | - | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RDRRNPK | Relative rate of root death due to NPK excess | SCr | - | +----------------------+------------------------------------------------------------+--------+-----------------------------+ Stem Dynamics Parameters ^^^^^^^^^^^^^^^^^^^^^^^^ +----------------------+------------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+============================================================+========+=============================+ | TDWI | Initial total crop dry weight | SCr | kg ha-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RDRSTB | Relative death rate of stems as a function of development | TCr | - | | | stage | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | SSATB | Specific Stem Area as a function of development stage | TCr | ha kg-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ Storage Organ Dynamics Parameters ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +----------------------+------------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+============================================================+========+=============================+ | TDWI | Initial total crop dry weight | SCr | kg ha-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RDRSOB | Relative Death rate of storage organs as a function of | Scr | kg ha-1 | | | development stage | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | SPA | Specific Pod Area | SCr | ha kg-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RDRSOB | Relative Death rate of storage organs as a function of | Scr | kg ha-1 | | | frost kill | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ NPK Demand Uptake Parameters ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +----------------------+------------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+============================================================+========+=============================+ | NMAXLV_TB | Maximum N concentration in leaves as function of DVS | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PMAXLV_TB | Maximum P concentration in leaves as function of DVS | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KMAXLV_TB | Maximum K concentration in leaves as function of DVS | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NMAXRT_FR | Maximum N concentration in roots as fraction of | | - | | | maximum N concentration in leaves | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PMAXRT_FR | Maximum P concentration in roots as fraction of | | - | | | maximum P concentration in leaves | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KMAXRT_FR | Maximum K concentration in roots as fraction of | | - | | | maximum K concentration in leaves | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NMAXST_FR | Maximum N concentration in stems as fraction of | | - | | | maximum N concentration in leaves | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PMAXST_FR | Maximum P concentration in stems as fraction of | | - | | | maximum P concentration in leaves | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KMAXST_FR | Maximum K concentration in stems as fraction of | | - | | | maximum K concentration in leaves | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NMAXSO | Maximum N concentration in storage organs | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PMAXSO | Maximum P concentration in storage organs | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KMAXSO | Maximum K concentration in storage organs | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NCRIT_FR | Critical N concentration as fraction of maximum N | | - | | | concentration for vegetative plant organs (leaves + stems) | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PCRIT_FR | Critical P concentration as fraction of maximum P | | - | | | concentration for vegetative plant organs (leaves + stems) | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KCRIT_FR | Critical K concentration as fraction of maximum K | | - | | | concentration for vegetative plant organs (leaves + stems) | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | TCNT | Time coefficient for N translation to storage organs | | days | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | TCPT | Time coefficient for P translation to storage organs | | days | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | TCKT | Time coefficient for K translation to storage organs | | days | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NFIX_FR | Fraction of crop nitrogen uptake by biological fixation | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RNUPTAKEMAX | Maximum rate of N uptake | | kg N ha-1 d-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RPUPTAKEMAX | Maximum rate of P uptake | | kg N ha-1 d-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | RKUPTAKEMAX | Maximum rate of K uptake | | kg N ha-1 d-1 | +----------------------+------------------------------------------------------------+--------+-----------------------------+ NPK Stress Parameters ^^^^^^^^^^^^^^^^^^^^^ +----------------------+------------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+============================================================+========+=============================+ | NMAXLV_TB | Maximum N concentration in leaves as function of DVS | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PMAXLV_TB | Maximum P concentration in leaves as function of DVS | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KMAXLV_TB | Maximum K concentration in leaves as function of DVS | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NMAXRT_FR | Maximum N concentration in roots as fraction of | | - | | | maximum N concentration in leaves | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PMAXRT_FR | Maximum P concentration in roots as fraction of | | - | | | maximum P concentration in leaves | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KMAXRT_FR | Maximum K concentration in roots as fraction of | | - | | | maximum K concentration in leaves | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NMAXST_FR | Maximum N concentration in stems as fraction of | | - | | | maximum N concentration in leaves | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PMAXST_FR | Maximum P concentration in stems as fraction of | | - | | | maximum P concentration in leaves | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KMAXST_FR | Maximum K concentration in stems as fraction of | | - | | | maximum K concentration in leaves | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NCRIT_FR | Critical N concentration as fraction of maximum N | | - | | | concentration for vegetative plant organs (leaves + stems) | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PCRIT_FR | Critical P concentration as fraction of maximum P | | - | | | concentration for vegetative plant organs (leaves + stems) | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KCRIT_FR | Critical K concentration as fraction of maximum K | | - | | | concentration for vegetative plant organs (leaves + stems) | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NRESIDLV | Residual N fraction in leaves | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PRESIDLV | Residual P fraction in leaves | | kg P kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KRESIDLV | Residual K fraction in leaves | | kg K kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NRESIDST | Residual N fraction in stems | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PRESIDST | Residual P fraction in stems | | kg P kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KRESIDST | Residual K fraction in stems | | kg K kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NLUE_NPK | Coefficient for the reduction of RUE due to nutrient | | - | | | (N-P-K) stress | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ NPK Translocation Parameters ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +----------------------+------------------------------------------------------------+--------+-----------------------------+ | Name | Description | Type | Unit | +======================+============================================================+========+=============================+ | NRESIDLV | Residual N fraction in leaves | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PRESIDLV | Residual P fraction in leaves | | kg P kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KRESIDLV | Residual K fraction in leaves | | kg K kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NRESIDST | Residual N fraction in stems | | kg N kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | PRESIDST | Residual P fraction in stems | | kg P kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | KRESIDST | Residual K fraction in stems | | kg K kg-1 dry biomass | +----------------------+------------------------------------------------------------+--------+-----------------------------+ | NPK_TRANSLRT_FR | NPK translocation from roots as a fraction of resp. | | - | | | total NPK amounts translocated from leaves and stems | | | +----------------------+------------------------------------------------------------+--------+-----------------------------+ .. _crop_template: Crop Template ^^^^^^^^^^^^^ Download the crop template YAML file here: :download:`crop_template.yaml `