Technical ToolTechnical Tool

The Technical tool allows users to to change any input parameter in the model. Also, users may create and upload their own weather, plant, irrigation and/or solution fertilizer input files.
A description of each input parameter and the units required can be found by mousing over the parameter name in the input page.
After entering input parameter values, click the submit button to run the simulation and view output.
A user's manual which provides detailed information regarding CCROP inputs, processes simulated, and output generated can be viewed in PDF format.

The tools on this website are free of charge, but user must login and establish an account to change and submit inputs other than default values. By establishing an account, the user can also save and manage inputs and outputs from simulations.

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*Planting and move schedule*
PLT_DOY	START_YR	END_YR	MOVE	MOVE1	MOVE2	MOVE3
MOVE_LAI	NOM

*Transplant detail*
ILA	IHT	IWD	Status	TW_Nact	RW_Nact	TW_Pact
RW_Pact

*Finish detail (for FINISH enter either FIXED or SIZE)*
FINISH	HARVDAYS	HARV_HT

*Size adjustment check dates*
CHK_DAY1	CHK_HT1	CHK_W1	CHK_DAY2	CHK_HT2	CHK_W2	CHK_DAY3
CHK_HT3	CHK_W3

*Container detail*
S_VOL	POTDIAM	PTA0	PTA1	PTA2	PTA3

*Substrate water specs*
SWLL	SWDUL	TP	PVLF

*Irrigation schedule (for SCHED enter FIXED, MAD or FILE; for RAINCUT either YES OR NO)*
SCHED	RAINCUT	IRR1	IRR2	IRR3	MAD	MAD_DIF
IRR_NCONC	IRR_PCONC	RAIN_EF

*Fixed irrigation rates (initial and after changes IRR1,IRR2 and IRR3)*
D_IRR0	D_IRR1	D_IRR2	D_IRR3

*Input files*
WFNAME	PFNAME	IFNAME	SFFNAME

*Fertilizer detail (for APPL enter INC or SURF)*
FERT	PCT_CRN	PCT_N	PCT_P	PCT_K	CRF_DAYS	APPL

*Supplemental topdress fertilizer (for TDF enter FIXED,TRIG,NONE)*
TDF	TD_DAYS	TD_TF	FERT2	PCT_CRN2	PCT_N2	PCT_P2
PCT_K2	CRF_DAYS2

*Supplemental Solution fertilizer (for SF enter FIXED,TRIG,FILE,NONE)*
SF	SF_START	SF_END	SF_INT	SF_TF	SF_NCONC	SF_NCONC

*Pruning schedule (for PRUNE enter FIXED,TRIG,NONE)*
PRUNE	PR1	PR_H1	PR_W1	PR2	PR_H2	PR_W2
PR3	PR_H3	PR_W3	TPR1	TPR2	TPR3	CUT	NOPMAX

P_Spec file

*Planting and move schedule*
PLT_DOY = plant day of year
START_YR = start year
END_YR = last year of multiple year run
MOVE = move schedule (enter FIXED or LAI)
MOVE1 = first container move (days after planting)
MOVE2 = second container move (days after planting)
MOVE3 = third container move (days after planting)
MOVE_LAI = move containers when this LAI is reached (for MOVE=LAI)
NOM = maximum number of moves (for MOVE=LAI)

*Transplant detail*
ILA = initial leaf area of transplant (cm2)
IHT = initial height (cm)
IWD = initial width (cm)
Status = IN_STATUS = N status of transplant (enter LOW, OPT, or INPUT)
ITW_Nact = N concentration in shoots (g/g)
IRW_Nact = N concentration in roots (g/g)
ITW_Pact = P concentration in shoots (g/g)
IRW_Pact = P concentration in roots (g/g)

*Finish detail*
FINISH = finish criterion (enter FIXED or SIZE)
HARVDAYS = days to finish (days after planting)
HARV_HT = height at finish (cm)

*Size check detail*
CHK_DAY1 = frist check day to adjust size (days after planting)
CHK_HT1 = first check height (cm)
CHK_W1 = first check width (cm)
CHK_DAY2 = second check day to adjust size (days after planting)
CHK_HT2 = second check height (cm)
CHK_W2 = second check width (cm)
CHK_DAY3 = third check day to adjust size (days after planting)
CHK_HT3 = third check height (cm)
CHK_W3 = third check width (cm)

*Container detail*
S_VOL = container substrate volume (cm3)
POTDIAM = container top diameter (cm)
PTA0 = area allotted to each container at start (cm2)
PTA1 = area allotted to each container after 1st move (cm2)
PTA2 = area allotted to each container after 2nd move (cm2)
PTA3 = area allotted to each container after 3rd move (cm2)

*Substrate water specs*
SWLL = substrate water content at permanent wilting point (cm3 H20 / cm3 substrate)
SWDUL = substrate water at container capacity (cm3 H20 / cm3 substrate)
TP = total substrate porosity (cm3 pore/cm3 substrate)
PVLF = pour volume leach factor (unitless)

*Irrigation Schedule*
Note: If SCHED='FIXED' set IRR1, IRR2, and/or IRR3 to -99 if no changes in rate required
SCHED = enter type of irrigation schedule (FIXED, MAD or FILE)
RAINCUT = do not irrigate if yesterday\'s rain exceeded the daily irrigation rate (YES or NO)
IRR1 = first change in daily irrigation rate (days after planting)
IRR2 = second change in daily irrigation rate (days after planting)
IRR3 = third change in daily irrigaiton rate (days after planting)
MAD = managed allowable deficit (use to calculate % of available water that must be lost before irrigation is triggered)
MAD_DIF = MAD irrigation deficit factor (calcualtes the target water deficit when irrigating to less than SWDUL)
H2O_NCONC = N concentration of water (ug/cm3)
H2O_PCONC = P concentration of water (ug/cm3)
RAIN_EF = rain effectiveness or relative amount of rain that offsets ET

*Fixed irrigation rates (for FIXED irrigation schedule)*
D_IRR0 = daily irrigation rate at start (cm)
D_IRR1 = daily irrigation rate for IRR1 (cm)
D_IRR2 = daily irrigation rate for IRR2 (cm)
D_IRR3 = daily irrigation rate for IRR3 (cm)

*Input files*
WFNAME = weather file name (e.g. UFEH0008) omit .wth extension
PFNAME = plant file name (e.g. VIBUR_OD) omit .plt extension
IFNAME = irrigation file name e.g. TESTI_1 for file TestI_1.irr
SFFNAME = solution feed file name (e.g. SPRING09) omit .sfn extension

*Fertilizer detail*
FERT = fertilizer rate (g/container)
PCT_CRN = percent controlled-release N of fertilizer (%)
PCT_N = percent N of fertilizer (%)
PCT_P = percent P of fertilizer (%)
PCT_K = percent K of fertilzier (%)
CRF_DAYS = longevity rating of fertilizer (day)
APPL = method of CRF application (INC or SURF)

*Supplemental topdress fertilizer detail*
TDF = topdress fertilizer schedule (enter FIXED,TRIG,or NONE)
TD_DAYS = days after planting to apply topdress
TD_TF = automatically triggers a topdress application when N release drops below this threshold factor of N demand
FERT2 = amount of top dress fertilizer (#N/cu yd)
PCT_CR2 = percent controlled-release nutrients of topdress CRF
PCT_N2 = percent N of topdress fertilizer
PCT_P2 = percent P of topdress fertilizer
PCT_K2 = percent K of topdress fertilizer
CRF_DAYS2 = longevity rating of topdress fertilizer

*Supplemental solution fertilizer detail*
SF = solution fertilizer schedule (enter FIXED,TRIG,FILE,or NONE)
SF_START = day to start solution fertilizer applications (days after planting)
SF_END = day to end solution fertilization application (days after planting)
SF_INT = interval between solution fertilizer applications (day)
SF_TF = solution fertilizer threshold factor (%)
Note: solution fertilizer is triggered when NRELEASE/NDEMANDSF_NCONC = N concentration of solution fertilizer (ug/cm3)
SF_PCONC = P concentration of solution fertilizer (ug/cm3)

*Pruning detail*
PRUNE = pruning schedule (enter FIXED, TRIG, or NONE)
PR1 = days after planting to 1st prune
PR_H1 = height after 1st prune
PR_W1 = width after 1st prune
PR2 = days after planting to 2nd prune
PR_H2 = height after 2nd prune
PR_W2 = width after 2nd prune
PR3 = days after planting to 3rd prune
PR_H3 = height after 3rd prune
PR_W3 = width after 3rd prune
TPR1 = plant height before 1st triggered pruning (cm)
TPR2 = plant height before 2nd triggered pruning (cm)
TPR3 = plant height before 3rd triggered pruning (cm)
CUT = plant height reduction for triggered pruning (cm)
NOPMAX = maximum number of prunings

Weather file (*.wth)

DATE = YEARDOY
SOLAR = daily solar radiation (MJ/m2/day)
TMAX = daily temperature maximum (oC)
TMIN = daily temperature minimum (oC)
RAIN = daily rainfall (mm)

Plant spec file (VIBUROD.plt)

*Plant parameters*
CROPEC = crop evapotranspiration coefficient (MJ/kPa)
CF_MF = coefficent for determining maximum irrigation capture factor (dimensionless)
CF_IF = coefficient for determining inflection point for irrigation capture factor (dimensionless)
KINPUT = coefficient for biasing temperature for incoming solar radiation (dimensionless)
TDMIN = thermal day minimum (oC)
TDOPTMIN = thermal day optimal minimum (oC)
TDOPTMAX = thermal day optimal maximum (oC)
TDMAX = thermal day max (oC)
SW_TF = available substrate water threshold fraction (unitless)

*More plant parameters*
RTPF = root partitioning factor
LGC1 and LGC2 = leaf growth coefficients for sink-limited growth
LGC3 and LGC4 = coefficients for relating biomass and LA
LGC5 = coefficient for modifying DT (DT1) based upon actual LA
TC1 = coefficient for CDR temperature bias of PARB
RUE = radiation use efficiency (g/MJ)
CINT = solar radiation interception coefficient (unitless)

*Nitrogen supply parameters*
NSUP_MAX1 and NSUP_MAX2 = coefficients for calc NSUPPLY
NSUP_RF = root factor for NSUPPLY
NSUP_C1 and NSUP_C2 = coefficients used to relate SUB_NCONC to NSUPPLY
NSUF_C1 and NSUF_C2 = coefficients used to relate shoot N conc status to NSUF
NSUF_TF = N sufficiency threshold factor relating shoot N status (TRELN) to NSUF

*Phosphorus supply parameters*
PSUP_MAX1 and PSUP_MAX2 = coefficients for calc PSUPPLY
PSUP_RF = root factor for PSUPPLY
PSUP_C1 and PSUP_C2 = coefficients used to relate SUB_PCONC to PSUPPLY
PSUF_C1 and PSUF_C2 = coefficients used to relate shoot P conc status to PSUF
PSUF_TF = P sufficiency threshold factor relating shoot P status (TRELP) to PSUF

*Nitrogen concentration parameters*
TW_Noptmax = maximum optimum N conc in shoot (g/g)
TW_Noptmin = minimum optimum N conc in shoot (g/g)
DT_Nmax = DT used to determine change in TW_Nopt as DT>DT_min (DT)
DT_Nmin = DT when TW_Nopt is max (DT)
TW_Nmin = minimum N concentration in shoot tissue (g/g)
RW_Nopt = optimum N concentration in root tissue (g/g)

*Phosphorus concentration parameters*
TW_Poptmax = maximum optimum P conc in shoot (g/g)
TW_Poptmin = minimum optimum P conc in shoot (g/g)
DT_Pmax = DT used to determine change in TW_Popt as DT>DT_min (DT)
DT_Pmin = DT when TW_Popt is max (DT)
TW_Pmin = minimum P concentration in shoot tissue (g/g)
RW_Popt = optimum P concentration in root tissue (g/g)

*Size parameters*
HTC1,2 = coefficients for relating LA to height
WDC1,2 = coefficients for relating LA to width
SZC1,22 = coefficients for relating plant size index to LA

*Photosynthesis temperature factors*
PHOTOTEMP1 PHOTOTEMP2 PHOTOTEMP3 = coeff. for the temperature effect on photosynthesis

*Pruning factors*
PRTWF1,2 = factors relating prune ht reduction to TW reduction
PRLAF1,2 = factors relating prune ht reduction to LA reduction

Irrigation file (*.irr)

DATE = YEARDOY
IRRIG = irrigation (cm)

Solution fertilizer file (*.sfn)

DATE = YEARDOY
SF_NCONC = solution fertilizer N concentration (ug/cm3)
SF_PCONC = solution fertilizer P concentration (ug/cm3)