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CER_Growth.for
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CER_Growth.for
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!***********************************************************************
! This is the code from the section (DYNAMIC == RATE)
! lines 3524 - 5005 of the original CSCER code.
!***********************************************************************
SUBROUTINE CER_Growth (BD, CANHT, CO2, DAYLT,
& DLAYR, DUL, EO, EOP, ISWNIT, ISWWAT,
& KEP, LL, NFP, NH4LEFT, NLAYR , NO3LEFT,
& RLV, RNMODE, SAT , SENCALG, SENNALG,
& SHF, SLPF, SNOW, SRAD, ST, STGDOY, SW,
& TMAX, TMIN, TRWUP, UH2O, UNH4ALG, UNO3ALG,
& WINDSP, YEARPLTCSM, LAI)
! 2023-01-25 chp removed unused variables in argument list
! DOY, KCAN, WEATHER, SOILPROP, CONTROL, YEAR, IDETG,
USE ModuleDefs
USE CER_First_Trans_m
IMPLICIT NONE
EXTERNAL CSTIMDIF, Y4K_DOY, CSINCDAT, TFAC4, CSROOTWU, CSTRANS,
& YVALXY
!! Contructed types defined in ModuleDefs
! TYPE (ControlType), intent (in) :: CONTROL
! TYPE (WeatherType), intent (in) :: WEATHER
! TYPE (SoilType), intent (in) :: SOILPROP
INTEGER ADAT10, CSTIMDIF, CSINCDAT, DYNAMICI
INTEGER NLAYR, STGDOY(20) !CN, DOY, YEAR
INTEGER YEARPLTCSM!, YEARPLT
REAL BD(20), CANHT, CO2
REAL DLAYR(20), UNO3ALG(20), SENLGALG(0:20), UNH4ALG(20)
REAL DUL(20), EO, EOP, KEP, LL(20), NFP, NH4LEFT(20) !, KCAN
REAL NO3LEFT(20), RLV(20), SAT(20)
REAL SENCALG(0:20), SENNALG(0:20), SHF(20), SLPF
REAL SRAD, ST(0:20), SW(20), TMAX, TMIN, TRWUP
REAL UH2O(20), WINDSP, LAI
REAL DAYLT, RWUMX, RWUPM, SNOW, TFAC4, YVALXY
CHARACTER*1 ISWNIT, ISWWAT, RNMODE !IDETG,
! Update so that temporary outputs in rate have correct DAP
DAE = MAX(0,CSTIMDIF(STGDOY(9),YEARDOY))
DAP = MAX(0,CSTIMDIF(STGDOY(7),YEARDOY))
DAS = MAX(0,CSTIMDIF(YEARSIM,YEARDOY))
IF (ISTAGE.EQ.6) DAPM = DAPM + 1
! LAH 07/12/2008 For problem of date calculation.
! YEARPLTCSM established by CSM;brought across in argument list.
! LAH 29/06/11 Added automatic as well
IF (FILEIOT.EQ.'DS4') THEN
! IF (IPLTI.EQ.'A' .OR. (INDEX('FQN',RNMODE) > 0)) THEN
IF (IPLTI.EQ.'A' .OR. IPLTI.EQ.'F' .OR.
& (INDEX('FQNY',RNMODE) > 0)) THEN
YEARPLTP = YEARPLTCSM
ENDIF
ENDIF
! IF (FILEIOT.EQ.'XFL') WRITE(fnumwrk,'(A28,I3,I8,2F6.2)')
! & ' CN,YEARDOY,XSTAGE1,LEAFNUM ',cn,yeardoy,xstage,lnumsd
!
! IF (YEARDOY.LT.YEARPLTP)
! & WRITE(fnumwrk,*) 'yeardoy,YEARPLT,YEARPLTP ',
! & yeardoy,YEARPLT,YEARPLTP
CFLINIT = 'N' ! Reset initiation flag for next run
IF (YEARPLT.GT.9000000) THEN ! If before planting
! Initialize planting depth temperature and water variables
TSDEP = 0.0
CUMSW = 0.0
AVGSW = 0.0
IF(YEARPLTP.GT.0 .AND. YEARPLTP.LT.9000000)THEN
IF(YEARDOY.EQ.YEARPLTP)THEN
C FO - 05/07/2020 Add new Y4K subroutine call to convert YRDOY
!YEARPLT = CSYEARDOY(YEARPLTP)
CALL Y4K_DOY(YEARPLTP,FILEIO,0,ERRKEY,3)
YEARPLT = YEARPLTP
PLTPOP = PLTPOPP
TNUM = 1.0
ENDIF
ELSE
! Automatic planting
! Check window for automatic planting,PWDINF<YEARPLTP<PWDINL
IF (YEARDOY.GE.PWDINF.AND.YEARDOY.LE.PWDINL) THEN
! Within planting window.
! Determine if soil temperature and soil moisture ok
! Obtain soil temperature, TSDEP, at 10 cm depth
I = 1
XDEP = 0.0
DO WHILE (XDEP .LT. 10.0)
XDEP = XDEP + DLAYR(I)
TSDEP = ST(I)
I = I + 1
END DO
! Compute average soil moisture as percent, AVGSW
I = 1
XDEP = 0.0
CUMSW = 0.0
DO WHILE (XDEP .LT. SWPLTD)
XDEPL = XDEP
XDEP = XDEP + DLAYR(I)
IF (DLAYR(I) .LE. 0.) THEN
!IF SOIL DEPTH IS LOWER THAN SWPLTD -US
XDEP = SWPLTD
CYCLE
ENDIF
DTRY = MIN(DLAYR(I),SWPLTD - XDEPL)
CUMSW = CUMSW + DTRY *
& (MAX(SW(I) - LL(I),0.0)) / (DUL(I) - LL(I))
I = I + 1
END DO
AVGSW = (CUMSW / SWPLTD) * 100.0
! WRITE (fnumwrk,*) 'Date thresholds ',pwdinf,pwdinl
! WRITE (fnumwrk,*) 'Water thresholds ',swpltl,swplth
! WRITE (fnumwrk,*) 'Water ',avgsw
! WRITE (fnumwrk,*) 'Temperature thresholds ',pttn,ptx
! WRITE (fnumwrk,*) 'Temperature ',tsdep
IF (TSDEP .GE. PTTN .AND. TSDEP .LE. PTX) THEN
IF (AVGSW .GE. SWPLTL .AND. AVGSW .LE. SWPLTH) THEN
YEARPLT = YEARDOY
PLTPOP = PLTPOPP
CFLFAIL = 'N'
ENDIF
ENDIF
ELSE
IF (YEARDOY.GT.PWDINL) THEN
CFLFAIL = 'Y'
STGDOY(1) = -99
STGDOY(2) = -99
STGDOY(3) = -99
STGDOY(4) = -99
STGDOY(5) = -99
STGDOY(6) = -99
STGDOY(7) = -99
STGDOY(8) = -99
STGDOY(9) = -99
STGDOY(10) = YEARDOY
STGDOY(11) = YEARDOY
ISTAGE = 7
XSTAGE = 7.0
! WRITE (fnumwrk,*) ' '
! WRITE (fnumwrk,*)
! & 'Automatic planting failure on ',yeardoy
ENDIF
ENDIF
ENDIF
! IF (YEARDOY.EQ.YEARPLTP) WRITE (fnumwrk,*)
! & 'Planting on: ',yeardoy
! WRITE (fnumwrk,*)
! & 'Initialising soil profile and other N aspects on: ',yeardoy
STGDOY(7) = YEARPLT
SEEDN = SEEDNI
SEEDRS = SEEDRSI
SEEDRSAV = SEEDRS
H2OPROFILEI = 0.0
H2OROOTZONEI = 0.0
AH2OPROFILEI = 0.0
AH2OROOTZONEI = 0.0
SNO3PROFILEI = 0.0
SNH4PROFILEI = 0.0
SNO3ROOTZONEI = 0.0
SNH4ROOTZONEI = 0.0
DO L = 1, NLAYR
FAC(L) = 10.0/(BD(L)*DLAYR(L))
SNO3PROFILEI = SNO3PROFILEI + (NO3LEFT(L)/FAC(L))
SNH4PROFILEI = SNH4PROFILEI + (NH4LEFT(L) / FAC(L))
AH2OPROFILEI = AH2OPROFILEI + ((SW(L)-LL(L))*DLAYR(L))*10.0
H2OPROFILEI = H2OPROFILEI + SW(L)*DLAYR(L)*10.0
IF (RLV(L).GT.0.0) THEN
AH2OROOTZONEI = AH2OROOTZONEI+((SW(L)-LL(L))*DLAYR(L))*10.
H2OROOTZONEI = H2OROOTZONEI+SW(L)*DLAYR(L)*10.
SNO3ROOTZONEI = SNO3ROOTZONEI + (NO3LEFT(L)/FAC(L))
SNH4ROOTZONEI = SNH4ROOTZONEI + (NH4LEFT(L)/FAC(L))
ENDIF
END DO
ENDIF
! Reset control flag
!IF (YEARDOY.GE.YEARPLT) DYNAMICI = 0
IF (YEARDOY.GE.YEARPLT) THEN
! Photosynthetically active radiation
PARAD = PARADFAC*SRAD
! Mean temperature
TMEAN = (TMAX+TMIN)/2.0
C-GH IF (snow.GT.0) THEN
IF (snow .GT. 0.0) THEN
tmeans = 0.0
ELSE
tmeans = tmean
ENDIF
! Day and night temperatures
TDAY = TMEAN
TNIGHT = TMEAN
! NB.These could be set in various ways. In Ceres 3.5,there
! were various modifications for different processes. Work
! with G.McMaster, however, showed that (at least for
! development) these were no better than using the daily
! mean. Hence the day and night temperatures are set equal
! to the daily mean. Other simple settings could be:
! TDAY = TMAX
! TNIGHT = TMIN
! TDAY = TMEAN + 0.5*(TMAX-TMEAN)
! TNIGHT = TMIN + 0.5*(TMEAN-TMIN)
! And more complex settings could involve using the hourly
! temperatures, or modifying values depending on the
! difference between TMAX and TMIN.
TMEAN20S = 0.0
SRAD20S = 0.0
STRESS20S = 0.0
TMEANNUM = TMEANNUM + 1.0
DO L = 20,2,-1
TMEAND(L) = TMEAND(L-1)
TMEAN20S = TMEAN20S + TMEAND(L)
SRADD(L) = SRADD(L-1)
SRAD20S = SRAD20S + SRADD(L)
STRESS(L) = STRESS(L-1)
STRESS20S = STRESS20S + STRESS(L)
ENDDO
TMEAND(1) = TMEAN
TMEAN20S = TMEAN20S + TMEAND(1)
SRADD(1) = SRAD
SRAD20S = SRAD20S + SRAD
STRESS(1) = AMIN1(WFG,NFG)
STRESS20S = STRESS20S + STRESS(1)
IF (TMEANNUM.GE.20.0) THEN
IF (TMEANNUM.EQ.20.0) TMEAN20P = TMEAN20S/20.0
TMEAN20 = TMEAN20S/20.0
SRAD20 = SRAD20S/20.0
STRESS20 = STRESS20S/20.0
ELSE
TMEAN20 = 0.0
SRAD20 = 0.0
STRESS20 = 0.0
ENDIF
IF (ADAT.GT.0) THEN
ADAT10 = CSINCDAT(ADAT,10)
!IF (YEARDOY.EQ.ADAT10) TMEAN20A = TMEAN20
!IF (YEARDOY.EQ.ADAT10) SRAD20A = SRAD20
IF (XSTAGE.GE.ASTAGEND.AND.TMEAN20A.LE.0.0) THEN
TMEAN20A = TMEAN20
SRAD20A = SRAD20
STRESS20A = STRESS20
ENDIF
ENDIF
! For investigation of temperature responses
! WRITE(fnumwrk,*)' tmean tfd tfg tfdg tt'
! DO 9821 TVI1 = 0,40
! TMEAN = FLOAT(TVI1)
! TMEANS = TMEAN
! End of stuff to investigate temperature responses
! Thermal time
IF (ISTAGE.GT.4 .AND. ADAT.GT.0 .AND. ISTAGE.LE.6) THEN
Tfout = TFAC4(trdv2,tmean,TT)
ELSE
Tfout = TFAC4(trdv1,tmeans,TT)
TTmax = trdv1(2) - trdv1(1)
IF (trgem(3).GT.0.0) THEN
Tfgem = TFAC4(trgem,tmeans,TTGEM)
ELSE
Ttgem = tt
ENDIF
ENDIF
! Thermal time averages for various periods
IF (ISTAGE.LT.7.AND.ISTAGE.GE.4) THEN
TT20S = 0.0
TTNUM = TTNUM + 1
DO L = 20,2,-1
TTD(L) = TTD(L-1)
TT20S = TT20S + TTD(L)
ENDDO
TTD(1) = TT
TT20S = TT20S + TTD(1)
IF (TTNUM.GE.20.0) THEN
TT20 = TT20S/20.0
ELSE
TT20 = -99.0
ENDIF
ENDIF
! Temperature factors
IF (ISTAGE.GE.9 .OR. ISTAGE.LE.2) THEN
Tfv = TFAC4(trvrn,tmeans,TTOUT)
Tfh = TFAC4(trlth,tmeans,TTOUT)
ELSE
TFV = 0.0
TFH = 0.0
ENDIF
!IF (ISTAGE.LE.2) THEN
Tfg = TFAC4(trlfg,tmean,TTOUT)
!ENDIF
IF (ISTAGE.LE.6) THEN
! The original temperature response for photosynthesis had
! a more rapid rise at low temperatures than the 4 cardinal
! temperatures response now used. This is shown below in the
! original data:
!TREFS TFGR TFPR TFVR TFHR TFGFR TFGNR TFGNM
! -5.0 -99 -99 0.00 0.00 -99 -99 -99
! 0.0 0.00 0.00 1.00 1.00 0.00 0.00 0.00
! 2.0 -99 0.40 -99 -99 -99 -99 -99
! 5.0 -99 -99 -99 1.00 -99 -99 -99
! 7.0 -99 0.70 1.00 -99 -99 -99 -99
! 10.0 1.00 0.85 -99 0.00 -99 -99 -99
! 15.0 1.00 1.00 0.00 -99 -99 -99 -99
! 16.0 -99 -99 -99 -99 1.00 1.00 1.00
! 20.0 1.00 1.00 -99 -99 -99 -99 -99
! 25.0 1.00 -99 -99 -99 -99 -99 -99
! 26.0 -99 0.85 -99 -99 -99 -99 -99
! 30.0 -99 0.50 -99 -99 -99 -99 -99
! 35.0 0.00 0.00 -99 -99 1.00 1.00 1.00
! 45.0 -99 -99 -99 -99 1.00 1.00 1.00
! The original call to obtain TFP was:
! TFP = TFCALC2(TREFS,TFPR,'20',TDAY,TDAY,SNOW)
Tfp = TFAC4(trphs,tmean,TTOUT)
! Ceres35 PRFT = 1.0-0.0025*((0.25*TMIN+0.75*TMAX)-18.0)**2
ENDIF
IF (ISTAGE.EQ.4.OR.ISTAGE.EQ.5) THEN
Tfgf = TFAC4(trgfw,tmean,TTOUT)
Tfgn = TFAC4(trgfn,tmean,TTOUT)
ENDIF
! To investigate temperature responses
! write(fnumwrk,'(5f6.2)')tmean,tfout,tfg,tfout*tfg,tt
!9821 continue
! write(fnumwrk,*)'! ttmax = ',trdv1(2)-trdv1(1)
! stop
! End of stuff to investigate temperature responses
! Radiation interception (if from competition model)
IF (PARIP.GE.0.0) THEN
PARI = PARIP/100.0
! WRITE(fnumwrk,'(A39,F6.2,A11,I2)')
! & ' PARI from competition model :',PARI,
! & ' Component:',CN
! WRITE(fnumwrk,'(A39,F6.2,7X,F6.2)')
! & ' Leaf area (laminae). Index,Per plant: ',
! & LAI,PLA-SENLA
ENDIF
IF (fileiot(1:2).NE.'DS')
& CALL CSTRANS(ISWWAT, !Control
& TMAX, TMIN, WINDSP, CO2, EO, !Weather
& CROP, LAI, KEP, !Crop,LAI
& eop, !Pot.pl.evap
& DYNAMICI) !Control
IF (fileiot(1:2).NE.'DS')
& CALL CSROOTWU(ISWWAT, !Control
& NLAYR, DLAYR, LL, SAT, !Soil
& EOP, !Pot.evap.
& RLV, RWUPM, RWUMX, !Crop state
& SW, !Soil h2o
& uh2o, trwup, !H2o uptake
& DYNAMICI) !Control
! Water status factors
WFG = 1.0
WFP = 1.0
WFT = 1.0
IF (ISWWAT.EQ.'Y' .AND. ISTAGE.LT.7) THEN
IF (EOP.GT.0.0) THEN
WUPR = TRWUP/(EOP*0.1)
WFG = AMAX1(0.0,AMIN1(1.0,WUPR/WFGU))
WFP = AMAX1(0.0,AMIN1(1.0,WUPR/WFPU))
IF (XSTAGE.GE.4.0) WFP = 1.0-(1.0-WFP)*WFPGF !Grain fill
WFT = AMAX1(0.0,AMIN1(1.0,(WUPR-WFTL)/(WFTU-WFTL)))
ENDIF
ENDIF
! Nitrogen status factors
NFG = 1.0
NFP = 1.0
NFT = 1.0
IF (ISWNIT.EQ.'Y' .AND. ISTAGE.LT.7) THEN
LMNCG = LMNC + NFGL * (LCNC-LMNC)
LCNCG = LMNC + NFGU * (LCNC-LMNC)
LMNCP = LMNC + NFPL * (LCNC-LMNC)
LCNCP = LMNC + NFPU * (LCNC-LMNC)
LCNCSEN = LMNC + NFSU * (LCNC-LMNC)
LMNCT = LMNC + NFTL * (LCNC-LMNC)
LCNCT = LMNC + NFTU * (LCNC-LMNC)
IF (LFWT.GT.0.0) THEN
NFG = AMIN1(1.0,AMAX1(0.0,(LANC-LMNCG)/(LCNCG-LMNCG)))
NFP = AMIN1(1.0,AMAX1(0.0,(LANC-LMNCP)/(LCNCP-LMNCP)))
NFT = AMIN1(1.0,AMAX1(0.0,(LANC-LMNCT)/(LCNCT-LMNCT)))
ENDIF
ENDIF
! Daylength factor.
IF (ISTAGE.GE.7) THEN
DF = PPFPE
ELSEIF (ISTAGE.GE.1) THEN
IF (P1D.GE.0.0) THEN ! Long day plants
! Below is a possible age adjusted P1D. But not used
P1DA=AMAX1(.0,(P1D/10000)-(P1D/10000)*P1DAFAC*(LNUMSD-5.))
!P1DAFAC is an age adjustment factor
DF = AMAX1(0.0,AMIN1(1.0,1.0-(P1D/10000)*(P1DT-DAYLT)**2))
ELSE ! Short day plants
DF =
& AMAX1(0.0,AMIN1(1.0,1.0-(ABS(P1D)/1000)*(DAYLT-P1DT)))
ENDIF
ENDIF
IF (RSTAGE.GT.PPEND .AND.ISTAGE.LT.7) THEN
DF = 1.0
ENDIF
! Light intensity factor
LIF2 = 1.0
IF (CROP.EQ.'BA' .AND. SRAD.LE.10.0) THEN
LIF2 = 1.0 - ( 10.0-SRAD)**2/PLTPOP
ENDIF
! Developmental units
DU = TT*VF*DF*LIF2 ! NB. Changed from Ceres 3.5
! DU = TT*AMIN1(VF,DF)*LIF2 ! Ceres 3.5
DU = AMAX1(0.0, DU)
! Water factor for germination
IF (ISWWAT.EQ.'Y' .AND. ISTAGE.GT.7) THEN
DO L = 1, NLAYR
CUMDEP = CUMDEP + DLAYR(L)
IF (SDEPTH.LT.CUMDEP) GO TO 100
END DO
100 CONTINUE
L0 = L ! L0 is layer with seed
DO L = 1,NLAYR
SWP(L) =
& AMIN1(1.0,AMAX1(.0,((SW(L)-LL(L))/(DUL(L)-LL(L)))))
ENDDO
! LAH Changed after query by Hong via GH
!SWP(0) = AMIN1(1.0,AMAX1(0.0,(SWP(1)-(SWP(2)-SWP(1)))))
!SWP(0) is a value at the soil surface
SWP(0) = AMIN1(1.0,AMAX1(0.0,(SWP(1)-0.5*(SWP(2)-SWP(1)))))
IF (L0.GT.1) THEN
SWPSD = SWP(L0)
ELSE
! LAH Changed after query by Hong via GH
! SDEPTH*(SWP(2)-SWP(0))))
SWPSD = SWP(0) + (SDEPTH/DLAYR(1))*(SWP(2)-SWP(0))
ENDIF
WFGE = AMAX1(0.0,AMIN1(1.0,(SWPSD/WFGEU)))
ELSE
WFGE = 1.0
ENDIF
! Germination units
!GEU = TT*WFGE
GEU = TTGEM*WFGE
! Initializations for Growth calculations
CARBO = 0.0
GROST = 0.0
GROLF = 0.0
GROLFP = 0.0
GROGRP = 0.0
GROGRPA = 0.0
GROGRST = 0.0
GRORS = 0.0
GRORSSD = 0.0
GRORSPM = 0.0
GRORSP = 0.0
GROST = 0.0
GROSTP = 0.0
PCARB = 0.0
PLAS = 0.0
PLASS = 0.0
PLTLOSS = 0.0
RSFR = 0.0
RTRESP = 0.0
RTWTG = 0.0
RTWTGRS = 0.0
TNUMD = 0.0
TNUMG = 0.0
TNUMLOSS = 0.0
DO L = 1,2
PLAG(L) = 0.0
PLAGT(L) = 0.0
PLAGTP(L) = 0.0
ENDDO
XSTAGEFS = 0.0
! 'Light intensity' factor (0.6,1.0 at SRAD's of 0,7)
LIF1 = 1.0
IF (CROP.EQ.'BA' .AND. SRAD.LE.10.0) THEN
LIF1 = 1.0 - ((10.0-SRAD)**2*PLTPOP*0.000025)
ENDIF
! CO2 factor
CO2FP = YVALXY(CO2RF,CO2F,CO2)
! Temperature factors
! Must check. One cold night --> no phs next day!!
! Tops partition fraction; standard first,then adjustment
IF (PTFS(ISTAGE+1).GT.0)
& PTFSS = PTFS(ISTAGE) + (PTFS(ISTAGE+1)-PTFS(ISTAGE))*SSTAGE
IF (PTFA(ISTAGE).GT.0) THEN
PTF = AMIN1(PTFX,PTFSS + PTFA(ISTAGE)*AMIN1(WFP,NFG,LIF1))
ELSE
PTF = AMIN1(PTFX,PTFSS)
ENDIF
! Within tops distribution fractions
LFFR = 1.0
STFRSTG = 0.0
STFRSTG = (STFR(ISTAGE)
& + ((STFR(ISTAGE+1)-STFR(ISTAGE))*(XSTAGE-FLOAT(ISTAGE))))
IF (ISTAGE.GE.3.AND.ISTAGE.LT.7) STFRSTG = 1.0
IF (ISTAGE.GT.6) STFRSTG = 0.0
LFFR = 1.0 - STFRSTG
IF (XSTAGE.GT.P4SGE) THEN
RSFR = 1.0
ELSE
RSFR = RSPCS/100.0
ENDIF
! CO2 Assimilation
PCARB = PARUV * PARAD/PLTPOP * PARI
IF (XSTAGE.GE.3.0) THEN
IF (PARUR.GT.0.0) THEN
PCARB = PARUR * PARAD/PLTPOP * PARI
ELSE
PCARB = PARUV * PARAD/PLTPOP * PARI
ENDIF
ENDIF
! PCARB = 7.5 * PARAD**0.6/PLTPOP*(1.0-EXP(-0.85*LAI)) !Ceres3
! Y1 = 1.5 - 0.768 * ((ROWSPC * 0.01)**2 * PLTPOP)**0.1
! PCARB = 1.48 * SRAD/PLTPOP * (1.0 - EXP(-Y1 * LAI)) ! Maize
! Following is as in Ceres 3.5. Now eliminated minimum choice
! CARBO = AMAX1(0.0,PCARB*CO2FP*TFP*AMIN1(WFP,NFP)*RSFP)
! LAH 07/08/2008 Added SLPF to match other models.
!CARBO = AMAX1(0.0,PCARB*CO2FP*TFP*WFP*NFP*RSFP)
CARBO = AMAX1(0.0,PCARB*CO2FP*TFP*WFP*NFP*RSFP*SLPF)
! Following is to stop assim once mature
IF (XSTAGE.GT.6.0) CARBO = AMAX1(0.0,CARBO*(6.3-XSTAGE)/0.3)
! Available carbohydrate for growth
IF (ISTAGE.EQ.6) THEN
CARBOAT = 0.0
CARBOR = 0.0
CARBOASD = 0.0
CARBOAPM = CARBO
ELSE
! Can mobilize more than required!
! Hence CH2O reserves may increase
! SDAVFR operates for both tops and roots
IF (SEEDRSAV.GT.1.0E-9) THEN
CARBOASD = SDAFR*(TT/STDAY)*SEEDRSAV
ELSE
CARBOASD = 0.0
ENDIF
SEEDRSAV = SEEDRSAV - CARBOASD
CARBOAT = CARBOASD+CARBO*PTF
CARBOR = CARBO*(1.0-PTF)
CARBOAPM = 0.0
ENDIF
IF (XSTAGE.GE.LAFST.AND.XSTAGE.LT.7.0) THEN
IF(LNUMSG.GT.0 .AND. LNSWITCH.LE.0.0) THEN
LNSWITCH = LNUMSD
! WRITE(fnumwrk,*)' '
! WRITE(fnumwrk,*)
! & 'Leaf number when size increment changed ',lnswitch
LASWITCH = lapot(lnumsg)
! WRITE(fnumwrk,*)
! & 'Leaf p.size when size increment changed ',Laswitch
! WRITE(fnumwrk,*)
! & 'Next p.size when size increment changed ',
! & Lapot(lnumsg+1)
ENDIF
ENDIF
IF (LNUMSG.GT.0) THEN
IF (LNUMSG.GT.0.AND.LNUMSG.LT.LNUMX) THEN
IF (LNSWITCH.LE.0.0) THEN
LAPOT(LNUMSG+1) =
& AMAX1(LAPOT(1),LAPOT(LNUMSG))*(1.0+LAFV)
ELSE
LAPOT(LNUMSG+1) = LAPOT(LNUMSG)*(1.0+LAFR)
ENDIF
IF (LAPOT(LNUMSG+1).GT.LAXS) LAPOT(LNUMSG+1) = LAXS
! NB. In Ceres 3.5 LAPOT(n) was LAPOT(1)*(LNUMSD**0.5)
ENDIF
ENDIF
! Growth potentials
IF (ISTAGE.LE.2) THEN
LAW = AMAX1(LAWS*LAWFRMN,LAWS-(LAWS*LAWCF)*(LNUMSG-1))
! LAW=Leaf area/weight (specific leaf area).Chages with lf #
IF (LNUMSG.GT.0) THEN
! In Ceres overall temperature response for lf growth was:
! EGFT = 1.2 - 0.0042*(TEMPM-17.0)**2
! Here, temperature response is a composite of temp response
! of development (leaf # increase) and leaf expansion.
! So, EGFT would equal TFD*TFG
! Assimilates may control expansion if no reserve available
! Current leaf expands completely at current phint
! Leaves expand for 1 PHINT
! For leaf area growth (PLAG) Ceres 3.5 used:
! PLAG(1) = LA1S * (LNUMSD**0.5) * ....
! (with LA1S = 7.5 (= LAPOT(1),potential area of leaf 1)
PLAG(1) = LAPOT(LNUMSG) * AMIN1(WFG,NFG) * TFG *
& AMIN1(TT/PHINT,(FLOAT(LNUMSG)-LNUMSD))
! NB. Temp response of development (TT) taken into acount
! If new leaf. Will expand at current or new phint
IF ((TT/PHINT).GT.(FLOAT(LNUMSG)-LNUMSD)) THEN
! If new leaf will be first leaf in 3rd phint phase
IF (LNUMSD.LE.(PHINTL(1)+PHINTL(2)).AND.
& LNUMSD+(TT/PHINT).GT.(PHINTL(1)+PHINTL(2))) THEN
TTTMP = TT - PHINT*(FLOAT(LNUMSG)-LNUMSD)
PLAG(2) = LAPOT(lnumsg+1) * AMIN1(WFG,NFG) * TFG *
& TTTMP/(PHINTS*PHINTF(3))
! If new leaf will be first in 2nd phint phase
ELSEIF (LNUMSD.LE.PHINTL(1).AND.
& LNUMSD+(TT/PHINT).GT.PHINTL(1)) THEN
TTTMP = TT - PHINT*(FLOAT(LNUMSG)-LNUMSD)
PLAG(2) = LAPOT(lnumsg+1) * AMIN1(WFG,NFG) * TFG *
& TTTMP/(PHINTS)
ELSE
! New leaf in current phint phase
PLAG(2) = LAPOT(lnumsg+1) * AMIN1(WFG,NFG) * TFG *
& (TT/PHINT-(FLOAT(LNUMSG)-LNUMSD))
ENDIF
! No new leaf
ELSE
PLAG(2) = 0.0
ENDIF
IF (TT.GT.0.0) THEN
WFLFNUM(LNUMSG) = WFLFNUM(LNUMSG)+1.0
WFLFSUM(LNUMSG) = WFLFSUM(LNUMSG)+WFG
NFLFSUM(LNUMSG) = NFLFSUM(LNUMSG)+NFG
TFLFSUM(LNUMSG) = TFLFSUM(LNUMSG)+TFG
WFLF(LNUMSG) = WFLFSUM(LNUMSG)/WFLFNUM(LNUMSG)
NFLF(LNUMSG) = NFLFSUM(LNUMSG)/WFLFNUM(LNUMSG)
TFLF(LNUMSG) = TFLFSUM(LNUMSG)/WFLFNUM(LNUMSG)
ENDIF
PLAGTP(1) = PLAG(1)
PLAGTP(2) = PLAG(2)
DO L = 1,INT(TNUM)
! LAH MAY 2013 CHECK THIS ... PLAG SHOULD BE PLAGTP??
IF (L.LT.20) THEN
PLAGTP(1) = PLAGTP(1) + PLAG(1)*LATFR(L+1)
& * AMAX1(0.0,AMIN1(1.0,(TNUM-1.0)))
PLAGTP(2) = PLAGTP(2) + PLAG(2)*LATFR(L+1)
& * AMAX1(0.0,AMIN1(1.0,(TNUM-1.0)))
ELSE
TNUMOUT = TNUMOUT + 1
! IF (TNUMOUT.LT.2)
! & WRITE(fnumwrk,*)'Tiller number at limit of 20! '
ENDIF
ENDDO
ENDIF
ENDIF
IF (LAW.GT.0.0)
& GROLFP = ((PLAGTP(1)+PLAGTP(2))/LAW)/(1.0-LSHFR)
IF (LFFR.GT.0.0) THEN
GROSTP = GROLFP*(STFRSTG/LFFR)
ELSE
GROSTP = CARBOAT*(1.0-RSFR)
ENDIF
GRORSP = CARBOAT*RSFR
IF (ISTAGE.EQ.4.OR.ISTAGE.EQ.5) THEN
GROGRP = AMAX1(0.0,LAGSTAGE*TFGF*GRNUM*G2*DU*0.001)
IF (LAGSTAGE.GT.0.0.AND.TFGF.LT.1.0) THEN
! WRITE(fnumwrk,'(A44,F6.2)')
! & ' Temperature limit on grain growth at xstage',xstage
TLIMIT = TLIMIT+1
ENDIF
ENDIF
! Actual growth
GROLF = AMIN1(GROLFP,CARBOAT*LFFR)
! From CSCRP
! Leaf weight increase from plant reserves
GROLFRS = 0.0
IF (GROLF.LT.GROLFP) THEN
GROLFRS = AMIN1(RSWT*RSUSE,GROLFP-GROLF)
GROLF = GROLF+GROLFRS
ENDIF
IF (LNUMSG.GT.0.AND.GROLFP.GT.0.0) THEN
AFLFSUM(LNUMSG) = AFLFSUM(LNUMSG)
& + AMIN1(1.0,((CARBOAT*LFFR)/GROLFP))
ENDIF
IF (LNUMSG.GT.0.AND.WFLFNUM(LNUMSG).GT.0.0)
& AFLF(LNUMSG) = AFLFSUM(LNUMSG)/WFLFNUM(LNUMSG)
GROST = AMIN1(GROSTP,CARBOAT*STFRSTG*(1.0-RSFR))
IF (GROGRP.GT.GRORSP+RSWT) THEN
GROGRST = 0.0
IF (GROST.GT.0.0) THEN
GROGRST = AMIN1(GROST,GROGRP-(GRORSP+RSWT))
IF (GROGRST.GT.0.0) THEN
! WRITE(fnumwrk,*)'CH2O destined for stem used for grain'
ENDIF
ENDIF
IF (GROGRP.GT.GRORSP+RSWT+GROGRST) THEN
! WRITE(fnumwrk,*)'CH2O limit on grain growth.'
CH2OLIM = CH2OLIM+1
if (grnum > 1.e-6) then
! WRITE(fnumwrk,'(A15,F6.2,A5,F6.3,A10)') ' CH2O shortage:',
! & (GROGRP-(GRORSP+RSWT+GROGRST)),' g/p ',
! & (GROGRP-(GRORSP+RSWT+GROGRST))/GRNUM,' g/kernel '
endif
ENDIF
ENDIF
GROGRPA = AMIN1(GROGRP,GRORSP+RSWT+GROGRST)
GRORSSD = -(CARBOASD-AMAX1(.0,CARBOASD-GROLF-GROST-GROGRPA))
GRORS = AMAX1(-RSWT,
& (CARBOAT-CARBOASD-GRORSSD)-GROLF-GROST-GROGRPA)
! Reserves to ROOT if conc too great (overflow!)
RTWTGRS = 0.0
! Determine potential new concentration
! NB. Chaff is simply a part of stem;hence not separate here
!----------------------------------------------------------------
! palderman commit of 2019-07-29 in private repo e5c680514bce4af85d9f463c11a3e5ad522252f8
! IF (LFWT+GROLF+STWT+GROST.GT.0.0) TVR1 = ! Conc
! & (RSWT+GRORS-SENRS)/
! & ((LFWT+GROLF-SENLFG-SENLFGRS)
! & +(STWT+GROST)+(RSWT+GRORS))
IF (((LFWT+GROLF-SENLFG-SENLFGRS) ! Prevent divide by zero
& +(STWT+GROST)+(RSWT+GRORS)) .GT. 0.0)THEN
TVR1 = ! Conc
& (RSWT+GRORS-SENRS)/
& ((LFWT+GROLF-SENLFG-SENLFGRS)
& +(STWT+GROST)+(RSWT+GRORS))
ELSE
TVR1 = 0.0
END IF
!----------------------------------------------------------------
IF(TVR1.LT.0.0.AND.TVR1.GT.-1.0E-07) TVR1 = 0.0
IF (TVR1.GT.RSPCX/100.0) THEN ! If potential>max
TVR2 = RSWT+GRORS-SENRS ! What rswt could be
TVR3 = ! What rswt should be
& ((RSPCX/100.0)
& *(LFWT+GROLF-SENLFG-SENLFGRS
& +STWT+GROST))
& /(1.0-(RSPCX/100.0))
RTWTGRS = (TVR2 - TVR3)
! Determine FINAL new concentration
IF (LFWT+GROLF+STWT+GROST.GT.0.0) TVR5 =
& (RSWT+GRORS-SENRS-RTWTGRS)/
& ((LFWT+GROLF-SENLFG-SENLFGRS)
& +(STWT+GROST)
& +(RSWT+GRORS-SENRS-RTWTGRS))
ENDIF
GRORSPM = CARBOAPM
IF (PLAGTP(1)+PLAGTP(2).GT.0.0) THEN
PLAGT(1) = GROLF*(1.0-LSHFR)*LAW*
& (PLAGTP(1)/(PLAGTP(1)+PLAGTP(2)))
PLAGT(2) = GROLF*(1.0-LSHFR)*LAW*
& (PLAGTP(2)/(PLAGTP(1)+PLAGTP(2)))
ENDIF
DO L = 1,2
IF(PLAGTP(1)+PLAGTP(2).GT.0.0)
& PLAG(L) = PLAG(L)*(PLAGT(1)+PLAGT(2))/(PLAGTP(1)+PLAGTP(2))
ENDDO
! Growth adjusted for respiration
RTWTG = AMAX1(0.0,(CARBOR+RTWTGRS)*(1.0-RRESP)) ! LAH 280211
! Leaf senescence
IF (LNUMSG.GT.0.AND.LNUMSG.GT.LLIFE) THEN
PLASTMP = AMAX1(0.0,LAP(LNUMSG-LLIFE)*TT/PHINT)
! Senesces over 1 PHINT
! Senescence cannot be greater than area remaining for
! senescing leaf. May have been killed by cold,etc..
LASENLF = AMAX1(0.0,LAP(LNUMSG-LLIFE)-LAPS(LNUMSG-LLIFE))
PLASTMP = AMIN1(LASENLF,PLASTMP)
ELSE
PLASTMP = 0.0
ENDIF
PLAS = 0.0
IF (ISTAGE.EQ.1) THEN
PLAS = PLASTMP ! Dependent on leaf longevity
ELSEIF (ISTAGE.EQ.2) THEN
PLAS = AMIN1(PLASTMP, ! Dependent on input coefficient
& PLASF(ISTAGE)*GPLA(ISTAGE-1)*DU/PD(ISTAGE))
ELSEIF (ISTAGE.EQ.3.OR.ISTAGE.EQ.4.OR.ISTAGE.EQ.5) THEN
! Determine if N shortage triggers final senescence
IF (ISWNIT.NE.'N'.AND.XSTAGE.GT.5.0.AND.LCNF.LT.NFSF) THEN
XSTAGEFS = XSTAGE
GPLASENF = AMAX1(0.0,PLA-SENLA)
ENDIF
! Calculate leaf area senesced
IF (XSTAGE.GT.5.0.AND.
& XSTAGEFS.GT.0.0.AND.XSTAGE.LT.LSENS) THEN
PLAS = GPLASENF*(XSTAGE-XSTAGEFS)/(LSENE-XSTAGEFS)
ELSE
IF (XSTAGE.GT.LSENS) THEN
IF (GPLASENS.LT.0.0) GPLASENS = AMAX1(0.0,PLA-SENLA)
! NB. Leaf senescence ends at stage LSENE (6.?)
PLAS = GPLASENS*(XSTAGE-XSTAGEP)/(LSENE-LSENS)
ELSE
PLAS = PLASF(ISTAGE) * GPLA(ISTAGE-1)*DU/PD(ISTAGE)
ENDIF
ENDIF
ELSEIF (ISTAGE.EQ.6) THEN
! Originally senesced over 10 standard days after stage 6
!PLAS = GPLA(ISTAGE-1)*TT/20.0*0.1
! Following is to use LSPHE
PLAS = GPLASENS*(XSTAGE-XSTAGEP)/(LSENE-LSENS)
ENDIF
! Increased senescence if reserves fall too low
! NB. 3% of green leaf area senesces ... must check
IF (RSCD.LT.0.10 .AND. ISTAGE.GE.4. AND. PLA.GT.0.0) THEN
PLAS = PLAS + AMAX1(0.0,0.03*(PLA-PLAS-SENLA))
! WRITE(fnumwrk,'(A52,I4)')
! & ' Senescence accelerated because low reserves on day:',doy
ENDIF
! Overall check to restrict senescence to what available
PLAS = AMAX1(0.0,AMIN1(PLAS,PLA-SENLA))
! Tillering
IF (GROLFP+GROSTP.GT.0.0) THEN
TNUMAFAC = AMIN1(1.0,(GROLF+GROST)/(GROLFP+GROSTP))
ELSE
TNUMAFAC = 0.0
ENDIF
IF (LNUMSD.GE.TI1LF) THEN
! LAH SEPT 2009 Maybe introduce TILPE and make variable
!TILPE = 2.0 ! Had been changed to 3.0
IF (XSTAGE.LT.TILPE) THEN
IF (LNUMSD.LT.ti1lf+3) THEN ! Fibonacci factors
tnumiff=1.0
ELSEIF(LNUMSD.GE.ti1lf+3 .AND. LNUMSD.LT.ti1lf+4) THEN
tnumiff=1.5
! PUT = 1.5 TO MATCH ADJUSTMENT IN CSCRP
ELSEIF(LNUMSD.GE.ti1lf+4 .AND. LNUMSD.LT.ti1lf+5) THEN
tnumiff=1.5 ! 3.0
ELSEIF(LNUMSD.GE.ti1lf+5 .AND. LNUMSD.LT.ti1lf+6) THEN
tnumiff=1.5 ! 4.0
ELSEIF(LNUMSD.GE.ti1lf+6 .AND. LNUMSD.LT.ti1lf+7) THEN
tnumiff=1.5 ! 6.0
ENDIF
! CHANGED BACK TO USING AMIN1 FUNCTION TO MATCH CSCRP
TNUMG = TT/PHINT * TNUMIFF * AMIN1(WFT,NFT,LIF1)
!TNUMG = TT/PHINT * TNUMIFF * WFT*NFT*LIF1
! TAKEN OUT TO MATCH CSCRP
! IF (LNUMSD.GT.TI1LF+3) TNUMG = TNUMG * TNUMAFAC
ENDIF
ELSE
TNUMG = 0.0
ENDIF
! TIFAC = Tillering rate factor (multiplier)
TNUMG = TNUMG * TIFAC
! Tiller death
RTSW = 1.0
TILWT = 0.0
TILSW = G3 * CUMDU/PTH(5)
IF (TNUM.GT.0.0) TILWT = (LFWT+STWT+RSWT+GRWT)/TNUM
IF (TILSW.GT.0.0) RTSW = TILWT/TILSW
!TILDS = 2.0 ! Ceres 3.5 = 2.4
!TILDE = 4.0 ! Ceres 3.5 = 5.8
IF (XSTAGE.GE.TILDS .AND. XSTAGE.LT.TILDE)
& TNUMD =
& AMAX1(0.0,(TNUM-1.0)*(1.0-RTSW)*(TT/20.0)*(TILDF/100.0))
! 20.0 is to change TT to standard days
! Root respiration
RTRESP = (CARBOR+RTWTGRS) * RRESP
XSTAGEP = XSTAGE
! Canopy height
IF (XSTAGE.LT.7) THEN
IF (XSTAGE.GT.1.0) THEN
CANHTG =
& AMAX1(0.0,(CANHTS*AMIN1(1.0,(XSTAGE-1.0)/4.0)-CANHT))
ELSEIF (XSTAGE.EQ.1.0 .AND. PLAGT(1).GT.0.0) THEN
! Height growth on day of emergence or if no development
CANHTG = 0.5
ENDIF
ENDIF
! Root growth initializations
RTWTGS = 0.0
DO L = 1, NLAYR
RTWTGL(L) = 0.0
RTWTSL(L) = 0.0
RTNSL(L) = 0.0
ENDDO
! Root growth calculations
IF (ISTAGE.LT.6 .OR. ISTAGE.GE.8) THEN
! Establish root tip layer
CUMDEP = 0.0
L = 0
DO WHILE ((RTDEP.GE.CUMDEP) .AND. (L.LT.NLAYR))
L = L + 1
CUMDEP = CUMDEP + DLAYR(L)
END DO
! Water factor for root depth growth
IF (ISWWAT.NE.'N') THEN
WFRG = AMAX1(0.1,AMIN1(1.0,
& ((SW(L)-LL(L))/(DUL(L)-LL(L)))/WFRGU))
IF (L.EQ.1) THEN
! Layer 2 SWDF used if less stress, because
! elongation most likely at base of layer
TVR1 = AMAX1(0.1,AMIN1(1.0,
& ((SW(2)-LL(2))/(DUL(2)-LL(2)))/WFRGU))
IF (TVR1.GT.WFRG) WFRG = TVR1
ENDIF
ELSE
WFRG = 1.0
ENDIF
! Root depth growth
RTDEPG = 0.0
IF (ISTAGE.LT.7) THEN
IF (RTWTG.GT.0.0) THEN
IF (CUMTT.LT.RDGTH) THEN
RTDEPG = (TT/STDAY)*RDGS1
ELSE
RTDEPG = (TT/STDAY)*RDGS2
ENDIF
! Add water content and hospitality factors
IF (ISWWAT.NE.'N')
& RTDEPG = RTDEPG * SQRT(AMAX1(0.3,SHF(L))) * WFRG
ELSE
! This is to handle planting on the surface and to
! allow root depth growth immediately after emergence
IF (DAE.LT.20) RTDEPG = (TT/STDAY)*RDGS1
ENDIF
ELSEIF (ISTAGE.GE.9) THEN ! Germination to emergence
RTDEPG = (TT/STDAY)*RDGS1
ENDIF
! Root dry matter from seed if not enough assimilate
! Root length/depth growth ratio (120) derived from Ceres3.5
! Used in pre-emergence stage to calculate depth growth
! and then need to calculate total root growth
IF (RTWTG.LT.RLDGR*RTDEPG/((RLWR*1.0E4)*PLTPOP)) THEN
RTWTGS = AMAX1(0.0,AMIN1(SDAFR*SEEDRSAV,
& (RLDGR*RTDEPG/((RLWR*1.0E4)*PLTPOP) - RTWTG)))
IF (RTWTGS < 1.E-10) RTWTGS = 0.0
SEEDRSAV = SEEDRSAV - RTWTGS
ENDIF
! Root dry matter distribution with depth
L = 0
CUMDEP = 0.0
RTDEPTMP = RTDEP+RTDEPG
DO WHILE ((CUMDEP.LE.RTDEPTMP) .AND. (L.LT.NLAYR))
L = L + 1
CUMDEP = CUMDEP + DLAYR(L)
SWDF = AMAX1(0.1,AMIN1(1.0,
& ((SW(L)-LL(L))/(DUL(L)-LL(L)))/WFRG))
! Original CERES
!F (ISWNIT.EQ.'Y') THEN
! RNFAC = AMAX1(0.01,
! (1.0-(1.17*EXP(NFRG*(NO3LEFT(L)+NH4LEFT(L))))))
!ELSE
! RNFAC = 1.0
!ENDIF
! Below from Cropsim
IF (ISWNIT.NE.'N'.AND.NCRG.GT.0.0) THEN
NFRG = AMIN1(1.0,
& AMAX1(0.1,(NO3LEFT(L)+NH4LEFT(L))/NCRG))
ELSE
NFRG = 1.0
ENDIF
! LAH HAWAII 2007 N factor taken out.
! LAH GUELPH 2010 Replaced with Cropsim function.
! RLDF(L) = AMIN1(SWDF,RNFAC)*SHF(L)*DLAYR(L)
! RLDF(L) = SWDF*SHF(L)*DLAYR(L)
! Below from CROPSIM
RLDF(L) = AMIN1(WFRG,NFRG)*SHF(L)*DLAYR(L)
END DO
! Distribution factor adjusted for root tip layer
IF (L.GT.0) RLDF(L) =
& RLDF(L)*(1.0-(CUMDEP-RTDEPTMP)/DLAYR(L))
L1 = L