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GROW.for
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C=======================================================================
C GROW, Subroutine, G. Hoogenboom, J.W. Jones, and K.J.Boote
C-----------------------------------------------------------------------
C Governing Model Equations
C Integrates all growth related variables
C-----------------------------------------------------------------------
C REVISION HISTORY
C 01/09/1989 GH Written.
C 01/04/1996 GH Added seed composition routine.
C 01/19/1996 KJB NMOBR
C 04/02/1996 KJB Modified
C 05/30/1998 CHP moved diseased leaf area calculations to PEST module.
C 07/16/1998 CHP Modified for modular format
C 05/11/1999 GH Incorporated in CROPGRO
C 03/29/2000 CHP Added cumulative senescence variables
C 06/19/2001 GH Add checks for negative state variables
C 06/11/2002 GH Modified for Y2K
C 03/12/2003 CHP Changed senescence variable to composite (SENESCE)
C as defined in ModuleDefs.for
C 03/24/2004 CHP Added P component of senesced matter
C 01/19/2006 CHP N in senesced roots lost at actual N%, not minimum.
C-----------------------------------------------------------------------
C Called by: PLANT
C Calls: IPGROW, STRESS
C ERROR
C=======================================================================
SUBROUTINE GROW(CONTROL, ISWITCH, DYNAMIC, SOILPROP,
& AGEFAC, CADLF, CADST, CRUSLF, CRUSRT, CRUSSH, !Input
& CRUSST, DISLA, F, FILECC, FRLF, FRSTM, !Input
& NADLF, NADRT, NADST, NDTH, NFIXN, NGRLF, NGRRT, !Input
& NGRSD, NGRSH, NGRST, NMINEA, NODGR, NOUTDO, !Input
& NPLTD, NRUSLF, NRUSRT, NRUSSH, NRUSST, !Input
& POTCAR, POTLIP, PPLTD, SDIDOT, SDPROR, !Input
& SENNOD, SENRT, SLDOT, SLNDOT, SRDOT, SSDOT, !Input
& SSNDOT, TRNH4U, TRNO3U, TRNU, !Input
& TURFAC, WLDOTN, WLIDOT, WRDOTN, WRIDOT, WSDDTN, !Input
& WSDOTN, WSHDTN, WSIDOT, WTABRT, WTSHMT, YRNR1, !Input
& MDATE, YRPLT, !Input
& SWIDOT, WLFDOT, WSHIDT, WTNFX, XHLAI, !Input/Output
& AREALF, BETN, CANNAA, CANWAA, CLW, CSW, DWNOD, !Output
& DWNODA, GROWTH, GRWRES, LAIMX, PCCSD, PCLSD, !Output
& PCNL, PCNRT, PCNSD, PCNSH, PCNST, PLTPOP, !Output
& PLIGLF, PLIGNO, PLIGRT, PLIGSD, PLIGSH, PLIGST, !Output
& PODWT, PUNCSD, PUNCTR, RHOL, RHOS, RNITP, !Output
& ROWSPC, RTWT, SDNPL, SDRATE, SDWT, !Output
& SEEDNI, SEEDNO, SENESCE, SHELWT, SLA, !Output
& SLAAD, STMWT, TOPWT, TOTWT, WCRLF, WCRRT, WCRSH, !Output
& WCRST, WNRLF, WNRRT, WNRSH, WNRST, WTCO, !Output
& WTLF, WTLO, WTMAIN, WTNCAN, WTNEW, WTNLA, WTNLF, !Output
& WTNLO, WTNNA, WTNNAG, WTNNO, WTNNOD, WTNOO, !Output
& WTNRA, WTNRO, WTNRT, WTNSA, WTNSD, WTNSDA, !Output
& WTNSDO, WTNSH, WTNSHA, WTNSHO, WTNSO, WTNST, !Output
& WTNUP, WTRO, WTSDO, WTSHO, WTSO, XLAI, XPOD, !Output
& ShutMob, RootMob, ShelMob) !Output
!-----------------------------------------------------------------------
USE ModuleDefs !Definitions of constructed variable types,
! which contain control information, soil
! parameters, hourly weather data.
IMPLICIT NONE
SAVE
!-----------------------------------------------------------------------
CHARACTER*1 ISWSYM, ISWNIT, IDETO, IHARI, PLME
CHARACTER*2 XPODF, CROP
CHARACTER*6 ERRKEY
PARAMETER (ERRKEY = 'GROW ')
CHARACTER*30 FILEIO
CHARACTER*92 FILECC
INTEGER DYNAMIC, NOUTDO, L, NLAYR
INTEGER YRDOY, YRNR1, MDATE
INTEGER YRPLT
REAL WTNUP,WTNFX,WTNMOB,WTNCAN,TGROW
REAL WRCSHD,DISLA,WSDMAN
REAL WLFDOT, PPLTD,NPLTD,SDWTAM,CANNAA,CANWAA
REAL DWNODA,WTNNAG,AGEFAC
REAL POTLIP,POTCAR
REAL CPFLF, CPFSTM, CPFRT, CPFNOD, CPFSH1, CPFSD1
REAL WRIDOT,WSIDOT,WTNNOD
REAL WNDOT, WPDOT, WDOT,WRCLDT,WRCSDT,WRCRDT
REAL NLOFF, NSOFF, NROFF, NSHOFF, NSDOFF, NNOFF
REAL WTLO, WTSO, WTRO, WTSHO, WTSDO, WTNOO
REAL WTCO
REAL NLALL, NSALL, NRALL, NSHALL, NSDALL
REAL WTNLA, WTNSA, WTNRA, WTNSHA, WTNSDA, WTNNA
REAL WTNLO, WTNSO, WTNRO, WTNSHO, WTNSDO, WTNNO
REAL WLDOT, WSDOT, WRDOT
REAL WLDOTN, WSDOTN, WRDOTN, WSDDTN, WSHDTN
REAL NGRLF, NGRST, NGRRT, NGRSH, NGRSD
REAL WTLF, STMWT, RTWT, SHELWT, SDWT
REAL PROLFF, PROSTF, PRORTF, PROSHF
REAL PCNL, PCNST, PCNRT, PCNSH, PCNSD
REAL WTNLF, WTNST, WTNRT, WTNSH, WTNSD
REAL NLDOT, NSDOT, NRDOT, NSHDOT, NSDDOT
REAL NRUSLF, NRUSST, NRUSRT, NRUSSH
REAL CRUSLF, CRUSST, CRUSRT, CRUSSH
REAL ALPHL, ALPHS, ALPHR, ALPHSH
REAL RHOL, RHOS, RHOR, RHOSH
REAL WCRLF, WCRST, WCRRT, WCRSH
REAL NADLF, NADST, NADRT
REAL WNRLF, WNRST, WNRRT, WNRSH
REAL CADLF, CADST
REAL SLDOT, SSDOT, SRDOT, SWIDOT
REAL SLNDOT, SSNDOT, SDIDOT
REAL WLIDOT, WSHIDT, WSHDOT, WSDDOT
REAL SDPROR, GRWRES, TRNO3U, TRNH4U, NFIXN
REAL WTABRT
REAL WTLSD, WTCSD, NTOVR, NDTH, XPOD
REAL TOTWT, TOPWT, PODWT, DWNOD
REAL WTMAIN
REAL WTSHMT
REAL WTNTOT, NMINEA, TRNU
REAL PCLSD, PCCSD, RNITP, PCNMIN
REAL ALFDOT, F, SLA, AREALF, XLAI, SLAAD
REAL LAIMX, AREAH
REAL XHLAI, SEEDNO, PLTPOP, ROWSPC, BETN
REAL TURFAC
REAL GROWTH, NODGR
REAL FRLF, FRSTM
REAL SDNPL, SEEDNI, SDRATE
REAL WTNEW
REAL PCARLF, PCARNO, PCARRT, PCARSD, PCARSH, PCARST,
& PLIGLF, PLIGNO, PLIGRT, PLIGSD, PLIGSH, PLIGST,
& PLIPLF, PLIPNO, PLIPRT, PLIPSH, PLIPST,
& PMINLF, PMINNO, PMINRT, PMINSD, PMINSH, PMINST,
& POALF, POANO, POART, POASD, POASH, POAST,
& PROLFI, PRONOD, PRORTI, PROSTI,
& SDPRO, WTFSD, WTPSD, SDWTPL
REAL RMIN, SDLIP, WLFI, WSTI, WRTI
REAL CLW, CSW
! Surface and soil residue due to daily senescence of plant matter
REAL SENRT(NL), SENNOD(NL)
REAL SenWt(0:NL) !kg[dry matter]/ha
REAL SenLig(0:NL) !kg[lignin]/ha
REAL SenE(0:NL,NELEM) !kg[E]/ha (E=N, P, S,...)
REAL NLPEST
!CHP - puncture variables, not functional
REAL PUNCSD, PUNCTR, PUNDOT, SDPDOT
! P module
REAL ADD
REAL ShutMob, RootMob, ShelMob
!-----------------------------------------------------------------------
! Constructed variable types defined in ModuleDefs.for.
TYPE (ControlType) CONTROL
TYPE (SwitchType) ISWITCH
TYPE (SoilType) SOILPROP
TYPE (ResidueType) SENESCE
! Transfer values from constructed data types into local variables.
!Don't get DYNAMIC from CONTROL variable because it will not
! have EMERG value (set only in CROPGRO).
!DYNAMIC = CONTROL % DYNAMIC
FILEIO = CONTROL % FILEIO
YRDOY = CONTROL % YRDOY
IDETO = ISWITCH % IDETO
IHARI = ISWITCH % IHARI
ISWNIT = ISWITCH % ISWNIT
ISWSYM = ISWITCH % ISWSYM
NLAYR = SOILPROP % NLAYR
!***********************************************************************
!***********************************************************************
! Run Initialization - Called once per simulation
!***********************************************************************
IF (DYNAMIC == RUNINIT) THEN
!-----------------------------------------------------------------------
CALL IPGROW(
& FILEIO, FILECC, CROP, !Input
& ALPHL, ALPHR, ALPHS, ALPHSH, !Output
& PCARLF, PCARST, PCARRT, PCARSH, PCARSD, PCARNO, !Output
& PLIGLF, PLIGST, PLIGRT, PLIGSH, PLIGSD, PLIGNO, !Output
& PLIPLF, PLIPST, PLIPRT, PLIPSH, PLIPNO, !Output
& PMINLF, PMINST, PMINRT, PMINSH, PMINSD, PMINNO, !Output
& POALF, POAST, POART, POASH, POASD, POANO, !Output
& PROLFF, PROSTF, PRORTF, PROSHF, PRONOD, !Output
& PROLFI, PROSTI, PRORTI, !Output
& PLTPOP, ROWSPC, RMIN, PLME, SDWTPL, !Output
& SDLIP, SDPRO, WTFSD, WTPSD, XPODF) !Output
IF (CROP .NE. 'FA') THEN
!-----------------------------------------------------------------------
! Copied from IPIBS
!-----------------------------------------------------------------------
ROWSPC = ROWSPC / 100.
IF (ROWSPC * PLTPOP > 1.E-4) THEN
BETN = 1./(ROWSPC*PLTPOP)
ELSE
BETN = 0.
ENDIF
C-----------------------------------------------------------------------
C Newest version of CROPGRO has variable seed N, oil, CH2O,
C which may make this tougher
C-----------------------------------------------------------------------
CPFLF = 30./44.*(PLIPLF*1.720 + PLIGLF*0.659 + POALF*(-0.011)
& + PMINLF*RMIN + PCARLF*0.170)
CPFSTM = 30./44.*(PLIPST*1.720 + PLIGST*0.659 + POAST*(-0.011)
& + PMINST*RMIN + PCARST*0.170)
CPFRT = 30./44.*(PLIPRT*1.720 + PLIGRT*0.659 + POART*(-0.011)
& + PMINRT*RMIN + PCARRT*0.170)
CPFNOD = 30./44.*(PLIPNO*1.720 + PLIGNO*0.659 + POANO*(-0.011)
& + PMINNO*RMIN + PCARNO*0.170)
CPFSH1 = 30./44.*(PLIPSH*1.720 + PLIGSH*0.659 + POASH*(-0.011)
& + PMINSH*0.073 + PCARSH*0.170)
CPFSD1 = 30./44.*(PMINSD*0.073 + PLIGSD*0.659 + POASD*(-0.011)
& + (SDLIP*1.720 + PCARSD*0.170)*(1. - SDPROR))
C-----------------------------------------------------------------------
! CALCULATE PERCENT NITROGEN IN LEAVES AT END OF SEASON
PCNMIN = PROLFF * 16.0 !Moved from INCOMP
!-----------------------------------------------------------------------
ENDIF
!***********************************************************************
!***********************************************************************
! Seasonal initialization - run once per season
!***********************************************************************
ELSEIF (DYNAMIC == SEASINIT) THEN
!-----------------------------------------------------------------------
ALFDOT = 0.0
AREALF = 0.0
AREAH = 0.0
CANWAA = 0.0
CANNAA = 0.0
GROWTH = 0.0
GRWRES = 0.0
LAIMX = 0.0
NLDOT = 0.0
NSDOT = 0.0
NRDOT = 0.0
NSDDOT = 0.0
NSHDOT = 0.0
NTOVR = 0.0
PCCSD = 0.0
PCLSD = 0.0
PCNL = 0.0
PCNRT = 0.0
PCNSD = 0.0
PCNSH = 0.0
PCNST = 0.0
PODWT = 0.0
RHOL = 0.0
RHOR = 0.0
RHOS = 0.0
RHOSH = 0.0
RTWT = 0.0
SDRATE = 0.0
SDWT = 0.0
SDWTAM = 0.0
SEEDNI = 0.0
SEEDNO = 0.0
SenWt = 0.0
SenLig = 0.0
SenE = 0.0
SENESCE % ResWt = 0.0
SENESCE % ResLig = 0.0
SENESCE % ResE = 0.0
SENESCE % CumResE(N) = 0.0
SHELWT = 0.0
SLAAD = 0.0
STMWT = 0.0
TGROW = 0.0
TOPWT = 0.0
TOTWT = 0.0
WCRLF = 0.0
WCRRT = 0.0
WCRSH = 0.0
WCRST = 0.0
WNRLF = 0.0
WNRRT = 0.0
WNRSH = 0.0
WNRST = 0.0
WSDDOT = 0.0
WSHDOT = 0.0
WTCO = 0.0
WTCSD = 0.0
WTLF = 0.0
WTLO = 0.0
WTLSD = 0.0
WTMAIN = 0.0
WTNCAN = 0.0
WTNLA = 0.0
WTNLF = 0.0
WTNLO = 0.0
WTNMOB = 0.0
WTNNA = 0.0
WTNNAG = 0.0
WTNNO = 0.0
WTNNOD = 0.0
WTNOO = 0.0
WTNRA = 0.0
WTNRO = 0.0
WTNRT = 0.0
WTNSA = 0.0
WTNSD = 0.0
WTNSDA = 0.0
WTNSDO = 0.0
WTNSH = 0.0
WTNSHA = 0.0
WTNSHO = 0.0
WTNSO = 0.0
WTNST = 0.0
WTNTOT = 0.0
WTNUP = 0.0
WTRO = 0.0
WTSDO = 0.0
WTSHO = 0.0
WTSO = 0.0
XLAI = 0.0
XHLAI = 0.0
XPOD = 0.0
CLW = 0.0 !Cumulative leaf growth
CSW = 0.0 !Cumulative stem growth
ShutMob = 0.0
RootMob = 0.0
ShelMob = 0.0
SDPDOT = 0.0 !CHP - not used
PUNDOT = 0.0 !CHP - not used
NLPEST = 0.0 !CHP - N loss due to pest damage
!-----------------------------------------------------------------------
! KJB 02/12/03 Set SLA to zero until emergence
! JWJ 09/16/03 Set SLA to -99 until emergence
! CHP 09/17/03 Do this for output only - SLA is used in calculations!
SLA = 0.0
! Need to get initial value of F from DEMAND first chp 9/14/98
! IF (CROP .NE. 'FA') THEN
! SLA = F
! ENDIF
!***********************************************************************
!***********************************************************************
! EMERGENCE CALCULATIONS - Performed once per season upon emergence
! or transplanting of plants
!***********************************************************************
ELSEIF (DYNAMIC == EMERG) THEN
!-----------------------------------------------------------------------
! Net growth rates
WLDOT = 0.0
WSDOT = 0.0
WRDOT = 0.0
WNDOT = 0.0
WPDOT = 0.0
WLFDOT = 0.0
C Initial seedling or transplant weight
SDRATE = WTPSD * PLTPOP / 0.8 * 10
IF (PLME .NE. 'T') THEN
WTNEW = WTFSD * WTPSD
TOTWT = WTNEW * PLTPOP
ELSE
TOTWT = SDWTPL / 10.
WTNEW = TOTWT / PLTPOP
ENDIF
! Initial mass of plant components
WTLF = FRLF * TOTWT
STMWT = FRSTM * TOTWT
TOPWT = WTLF + STMWT
RTWT = TOTWT - TOPWT
WLFI = WTLF
WSTI = STMWT
WRTI = RTWT
! Initialize cumulative variables
CLW = WTLF
CSW = STMWT
! CH2O reserves
WCRLF = ALPHL * WTLF
WCRST = ALPHS * STMWT
WCRRT = ALPHR * RTWT
!! Initialize cumulative C variables
! WCRLA = WCRLF
! WCRSA = WCRST
! WCRRA = WCRRT
! Carbohydrate composition of plant components (fraction)
RHOL = ALPHL
RHOR = ALPHR
RHOS = ALPHS
RHOSH = ALPHSH
! Net carbon addition variables
WRCLDT = 0.0
WRCSDT = 0.0
WRCRDT = 0.0
WRCSHD = 0.0
! Compute N in plant components
WTNLF = WLFI * PROLFI * 0.16
WTNST = WSTI * PROSTI * 0.16
WTNRT = WRTI * PRORTI * 0.16
WTNSH = 0.0
WTNSD = 0.0
WTNTOT = WTNLF + WTNST + WTNRT + WTNSH + WTNSD
! Seed or transplant N at planting
SDNPL = WTPSD * SDPRO * 0.16 * 0.75 * PLTPOP -
& (WTNLF + WTNST + WTNRT)
SDNPL = MAX(SDNPL,0.0)
SEEDNI = WTNLF + WTNST + WTNRT + SDNPL
! Initialize cumulative N variables
WTNLA = WTNLF
WTNSA = WTNST
WTNRA = WTNRT
! Percent N in plant components
PCNL = WTNLF / WLFI * 100.
RNITP = PCNL
PCNST = WTNST / WSTI * 100.
PCNRT = WTNRT / WRTI * 100.
! Intialize leaf area. Value of F initialized in DEMAND.
AREALF = WTLF * F
AREAH = AREALF
SLA = AREALF / WTLF
SLAAD = AREALF / (WTLF - WCRLF)
XLAI = AREALF / 10000.
XHLAI = XLAI
C***********************************************************************
C***********************************************************************
C Daily integration
C***********************************************************************
ELSEIF (DYNAMIC == INTEGR) THEN
C-----------------------------------------------------------------------
NLPEST = 0.0 !CHP - N loss due to pest damage
GROWTH = WLDOTN + WSDOTN + WRDOTN + WSHDTN + WSDDTN + NODGR
GRWRES = WLDOTN*CPFLF + WSDOTN*CPFSTM + WRDOTN*CPFRT +
& NODGR*CPFNOD + WSHDTN*CPFSH1 + WSDDTN*CPFSD1 +
& 30./44*(TRNO3U/0.16 * 1.798 + TRNH4U/0.16 * 0.462 +
& NFIXN/0.16 * 1.798)
C-----------------------------------------------------------------------
C Use 1982 Penning de Vries book, p. 125, composition of tissue,
C fraction C for six categories, convert by 30/12 to CH20.
C-----------------------------------------------------------------------
C Account for N added to existing plant tissue, e.g., NADLF, that
C is damaged by insects, freezing, or senesced. Otherwise, could
C get increase in tissue N composition when tissue is aborted. Need
C to account for mass, N and C lost this way in sections below
C-----------------------------------------------------------------------
C WLDOT = Net leaf growth rate
C-----------------------------------------------------------------------
WLDOT = WLDOTN - SLDOT - WLIDOT - WLFDOT - NRUSLF/0.16 - CRUSLF
! ShutMob is amount of leaf mass lost due to N and C mobilization
! A positive value represents leaf mass lost. (kg/ha)
ShutMob = (NRUSLF/0.16 + CRUSLF) * 10. !kg/ha
IF (WTLF > 1.E-4) THEN
WLDOT = WLDOT + (CADLF+NADLF/0.16) *
& (1. - MIN(1.0,(SLDOT+WLIDOT+WLFDOT)/WTLF))
ADD = (CADLF+NADLF/0.16) *
& (1. - MIN(1.0,(SLDOT+WLIDOT+WLFDOT)/WTLF))
ShutMob = ShutMob - ADD * 10. !kg/ha
ELSE
ADD = 0.0
ENDIF
IF (WLDOT < 0.0) THEN
WLDOT = MAX(WLDOT, -WTLF)
ENDIF
C-----------------------------------------------------------------------
C WSDOT = Net stem growth rate
C-----------------------------------------------------------------------
WSDOT = WSDOTN - SSDOT - WSIDOT - NRUSST / 0.16 - CRUSST
ShutMob = ShutMob + (NRUSST / 0.16 + CRUSST) * 10. !kg/ha
IF (STMWT > 1.E-4) THEN
WSDOT = WSDOT + (CADST+NADST/0.16) *
& (1. - MIN(1.0,(SSDOT+WSIDOT)/STMWT))
ADD = (CADST+NADST/0.16) *
& (1. - MIN(1.0,(SSDOT+WSIDOT)/STMWT))
ShutMob = ShutMob - ADD * 10. !kg/ha
ELSE
ADD = 0.
ENDIF
IF (WSDOT < 0.0) THEN
WSDOT = MAX(WSDOT, -STMWT)
ENDIF
C-----------------------------------------------------------------------
C Net root growth rate
C-----------------------------------------------------------------------
WRDOT = WRDOTN - SRDOT - NRUSRT/0.16 - CRUSRT - WRIDOT
RootMob = (NRUSRT/0.16 + CRUSRT) * 10. !kg/ha
IF (RTWT > 1.E-4) THEN
WRDOT = WRDOT + (NADRT/0.16) *
& (1. - MIN(1.0,(SRDOT+WRIDOT)/RTWT))
ADD = (NADRT/0.16) *
& (1. - MIN(1.0,(SRDOT+WRIDOT)/RTWT))
RootMob = RootMob - ADD * 10. !kg/ha
ELSE
ADD = 0.0
ENDIF
IF (WRDOT < 0.0) THEN
WRDOT = MAX(WRDOT, -RTWT)
ENDIF
C-----------------------------------------------------------------------
C Net shell growth rate
C-----------------------------------------------------------------------
WSHIDT = MIN(WSHIDT,SHELWT) ! pest damage to shells
WSHDOT = WSHDTN - WSHIDT - WTABRT - NRUSSH / 0.16 - CRUSSH
ShelMob = (NRUSSH / 0.16 + CRUSSH) * 10. !kg/ha
C-----------------------------------------------------------------------
C Net seed growth rate
C-----------------------------------------------------------------------
SWIDOT = MIN(SWIDOT,SDWT) ! pest damage to seeds
WSDDOT = WSDDTN - SWIDOT
WTLSD = WTLSD + WSDDOT * POTLIP !lipids in seed
WTCSD = WTCSD + WSDDOT * POTCAR !carbohydrates in seed
C-----------------------------------------------------------------------
C Net nodule growth rate
C-----------------------------------------------------------------------
WNDOT = NODGR - NDTH
C-----------------------------------------------------------------------
C Net pod growth rate
C-----------------------------------------------------------------------
WPDOT = WSHDOT + WSDDOT
C-----------------------------------------------------------------------
C Total Net plant growth rate
C-----------------------------------------------------------------------
WDOT = WLDOT + WSDOT + WRDOT + WPDOT + WNDOT
C-----------------------------------------------------------------------
IF (GROWTH > 1.E-4) THEN
IF (XPODF == 'PD') THEN
XPOD = 0.17 * (WSDDTN+WSHDTN)/GROWTH + 0.83 * XPOD
ELSE IF (XPODF == 'SD') THEN
XPOD = 0.17 * (WSDDTN)/GROWTH + 0.83 * XPOD
ELSE
CALL ERROR(ERRKEY,1,' ',0)
ENDIF
ENDIF
C-----------------------------------------------------------------------
C Integration, Add Today's Net Growth to Existing Weights
C-----------------------------------------------------------------------
TOTWT = TOTWT + WDOT
TOPWT = TOPWT + WSDOT + WLDOT + WPDOT
WTLF = WTLF + WLDOT
STMWT = STMWT + WSDOT
SDWT = SDWT + WSDDOT
SHELWT = SHELWT + WSHDOT
RTWT = RTWT + WRDOT
PODWT = PODWT + WPDOT
DWNOD = DWNOD + WNDOT
TGROW = TGROW + GROWTH
C-----------------------------------------------------------------------
C Cumulative leaf and stem growth
C-----------------------------------------------------------------------
CLW = CLW + WLDOTN
CSW = CSW + WSDOTN
C-----------------------------------------------------------------------
C Store values of TOPWT at flowering and SDWT at maturity
C-----------------------------------------------------------------------
IF (YRDOY == YRNR1) THEN
CANWAA = TOPWT
ELSEIF (YRDOY == MDATE) THEN
SDWTAM = SDWT
ENDIF
C---------------------------------------------------------------------
C Compute Seed Weight for Which there is Maintenance Costs.
C-----------------------------------------------------------------------
WSDMAN = MIN(SDWT,SHELWT)
WTMAIN = TOTWT - SDWT + WSDMAN
C-----------------------------------------------------------------------
C Carbon Reserves: Net Growth Rates for Mobile Carbohydrates
C-----------------------------------------------------------------------
C Account for N added to existing plant tissue, e.g., NADLF, that
C is damaged by insects, freezing, or senesced. Otherwise, could
C get increase in tissue N composition when tissue is aborted. Need
C to account for mass, N and C lost this way in sections below
C-----------------------------------------------------------------------
WRCLDT = ALPHL * WLDOTN - CRUSLF - RHOL*(SLNDOT+WLIDOT+WLFDOT)
IF (WTLF > 1.E-4) THEN
WRCLDT = WRCLDT + CADLF *
& (1. - MIN(1.0,(SLDOT+WLIDOT+WLFDOT)/WTLF))
ENDIF
WRCSDT = ALPHS * WSDOT - CRUSST - RHOS * SSNDOT
IF (STMWT > 1.E-4) THEN
WRCSDT = WRCSDT + CADST *
& (1. - MIN(1.0,(SSDOT+WSIDOT)/STMWT))
ENDIF
WRCRDT = ALPHR * WRDOT - CRUSRT - RHOR * SRDOT
WRCSHD = ALPHSH * WSHDOT - CRUSSH - RHOSH*(WTABRT+WTSHMT+WSHIDT)
C-----------------------------------------------------------------------
C Update C Storage, Concentrations in Leaves, Stems, Roots, and Shells
C-----------------------------------------------------------------------
WCRLF = WCRLF + WRCLDT
WCRST = WCRST + WRCSDT
WCRRT = WCRRT + WRCRDT
WCRSH = WCRSH + WRCSHD
IF (WCRLF .LE. 1.0E-30) WCRLF = 0.0
IF (WCRST .LE. 1.0E-30) WCRST = 0.0
IF (WCRRT .LE. 1.0E-30) WCRRT = 0.0
IF (WCRSH .LE. 1.0E-30) WCRSH = 0.0
C-----------------------------------------------------------------------
C Compute Cumulative C loss During Season
C-----------------------------------------------------------------------
WTLO = WTLO + SLDOT + WLIDOT + WLFDOT
WTSO = WTSO + SSDOT + WSIDOT
WTRO = WTRO + SRDOT + WRIDOT
WTSHO = WTSHO + WTABRT + WSHIDT
WTSDO = WTSDO + SWIDOT
WTNOO = WTNOO + NDTH
WTCO = WTLO + WTSO + WTSHO + WTSDO
C-----------------------------------------------------------------------
C Compute CH20 fractions
C-----------------------------------------------------------------------
IF (WTLF > 0.0001) THEN
RHOL = WCRLF/WTLF
ELSE
RHOL = 0.0
ENDIF
IF (STMWT > 0.0001) THEN
RHOS = WCRST/STMWT
ELSE
RHOS = 0.0
ENDIF
IF (RTWT > 0.0001) THEN
RHOR = WCRRT/RTWT
ELSE
RHOR = 0.0
ENDIF
IF (SHELWT > 0.0001) THEN
RHOSH = WCRSH/SHELWT
ELSE
RHOSH = 0.0
ENDIF
C=======================================================================
C Nitrogen Balance: Net Growth Rates for Nitrogen Components
C=======================================================================
C Account for N added to existing plant tissue, e.g., NADLF, that
C is damaged by insects, freezing, or senesced. Otherwise, could
C get increase in tissue N composition when tissue is aborted. Need
C to account for mass, N and C lost this way in sections below
C-----------------------------------------------------------------------
C-----------------------------------------------------------------------
C Leaf nitrogen senescence and pest damage loss
C-----------------------------------------------------------------------
! senesc. + pest + freeze
NLOFF = (SLNDOT + WLIDOT + WLFDOT) * (PCNL/100.) +
& (SLDOT-SLNDOT) * PROLFF * 0.16
NLPEST = NLPEST + WLIDOT * PCNL/100.
IF (NLOFF. LT. 0.0) THEN
NLOFF = 0.0
ENDIF
C-----------------------------------------------------------------------
C Net growth rate of nitrogen in the leaves
C-----------------------------------------------------------------------
NLDOT = NGRLF - NLOFF - NRUSLF
IF (WTLF > 1.E-4) THEN
NLDOT = NLDOT + NADLF *
& (1. - MIN(1.0,(SLDOT + WLIDOT + WLFDOT) / WTLF))
ENDIF
C-----------------------------------------------------------------------
C Stem nitrogen senescence and pest damage loss
C-----------------------------------------------------------------------
! senesce + pest
NSOFF = (SSNDOT + WSIDOT) * (PCNST/100.) + (SSDOT - SSNDOT)
& * PROSTF * 0.16
NLPEST = NLPEST + WSIDOT * PCNST/100.
IF (NSOFF < 0.0) THEN
NSOFF = 0.0
ENDIF
C-----------------------------------------------------------------------
C Net growth rate of nitrogen in the stems
C-----------------------------------------------------------------------
NSDOT = NGRST - NSOFF - NRUSST
IF (STMWT > 1.E-4) THEN
NSDOT = NSDOT + NADST *
& (1. - MIN(1.0,(SSDOT + WSIDOT) / STMWT))
ENDIF
C-----------------------------------------------------------------------
C Root nitrogen senescence and pest damage loss
C-----------------------------------------------------------------------
NROFF = (SRDOT+WRIDOT) * (PCNRT/100.)
IF (NROFF < 0.0) THEN
NROFF = 0.0
ENDIF
C-----------------------------------------------------------------------
C Net growth rate of nitrogen in the roots
C-----------------------------------------------------------------------
NRDOT = NGRRT - NROFF - NRUSRT
IF (RTWT > 1.E-4) THEN
NRDOT = NRDOT + NADRT *
& (1. - MIN(1.0,(SRDOT + WRIDOT) / RTWT))
ENDIF
C-----------------------------------------------------------------------
C Shell nitrogen senescence, abortion and pest damage loss
C-----------------------------------------------------------------------
NSHOFF = (WTABRT+WSHIDT) * (PCNSH/100.)
NLPEST = NLPEST + WSHIDT * PCNSH/100.
IF (NSHOFF < 0.0) THEN
NSHOFF = 0.0
ENDIF
C-----------------------------------------------------------------------
C Net growth rate of nitrogen in shells
C-----------------------------------------------------------------------
NSHDOT = NGRSH - NSHOFF - NRUSSH
C-----------------------------------------------------------------------
C Seed nitrogen senescence, abortion and pest damage loss
C-----------------------------------------------------------------------
NSDOFF = SWIDOT * PCNSD/100.
IF (NSDOFF < 0.0) THEN
NSDOFF = 0.0
ENDIF
C-----------------------------------------------------------------------
C Net growth rate of nitrogen in seeds
C-----------------------------------------------------------------------
NSDDOT = NGRSD - NSDOFF
C-----------------------------------------------------------------------
C Integration, Update N in Each Component by Adding Today's Growth
C-----------------------------------------------------------------------
C-----------------------------------------------------------------------
C Total nitrogen in the leaves
C-----------------------------------------------------------------------
IF ((NLDOT < 0.0) .AND. (ABS(NLDOT) > WTNLF)) THEN
NLDOT = - WTNLF
ENDIF
WTNLF = WTNLF + NLDOT
C-----------------------------------------------------------------------
C Total nitrogen in the stems
C-----------------------------------------------------------------------
IF ((NSDOT < 0.0) .AND. (ABS(NSDOT) > WTNST)) THEN
NSDOT = - WTNST
ENDIF
WTNST = WTNST + NSDOT
C-----------------------------------------------------------------------
C Total nitrogen in the roots
C-----------------------------------------------------------------------
IF ((NRDOT < 0.0) .AND. (ABS(NRDOT) > WTNRT)) THEN
NRDOT = - WTNRT
ENDIF
WTNRT = WTNRT + NRDOT
C-----------------------------------------------------------------------
C Total nitrogen in the nodules
C-----------------------------------------------------------------------
WTNNOD = DWNOD * 0.16 * PRONOD
C-----------------------------------------------------------------------
C Total nitrogen in the shells
C-----------------------------------------------------------------------
IF ((NSHDOT < 0.0) .AND. (ABS(NSHDOT) > WTNSH)) THEN
NSHDOT = - WTNSH
ENDIF
WTNSH = WTNSH + NSHDOT
IF ((NSDDOT < 0.0) .AND. (ABS(NSDDOT) > WTNSD)) THEN
NSDDOT = - WTNSD
ENDIF
C-----------------------------------------------------------------------
C Total nitrogen in the seed
C-----------------------------------------------------------------------
WTNSD = WTNSD + NSDDOT
C-----------------------------------------------------------------------
C Total nitrogen in the plant
C-----------------------------------------------------------------------
WTNTOT = WTNLF + WTNST + WTNRT + WTNSH + WTNSD + WTNNOD
C-----------------------------------------------------------------------
C Total nitrogen in the canopy (all above ground components)
C-----------------------------------------------------------------------
WTNCAN = WTNLF + WTNST + WTNSH + WTNSD
C-----------------------------------------------------------------------
C Save total nitrogen in the canopy at the start of flowering
C-----------------------------------------------------------------------
IF (YRDOY == YRNR1) THEN
CANNAA = WTNCAN
ENDIF
C-----------------------------------------------------------------------
C Compute Cumulative N added during season
C-----------------------------------------------------------------------
! CHP - working on Plant N balance:
! Add adjustment factors for N addition.
! These factors are used in computation of net addition to
! tissue, but previously not here. Adding these statements
! forces cumulative N additions to equal 'current N' plus
! 'senesced N'.
! However . . . by making this change, cumulative tissue N no longer
! matches 'Seed N' plus 'N2 fixed' plus 'N uptake'. Why???
! Leaf
NLALL = NGRLF - NRUSLF
IF (WTLF > 1.E-4) THEN
NLALL = NLALL + NADLF *
& (1. - MIN(1.0,(SLDOT + WLIDOT + WLFDOT) / WTLF))
ENDIF
! Stem
NSALL = NGRST - NRUSST
IF (STMWT > 1.E-4) THEN
NSALL = NSALL + NADST *
& (1. - MIN(1.0,(SSDOT + WSIDOT) / STMWT))
ENDIF
! Root
NRALL = NGRRT - NRUSRT
IF (RTWT > 1.E-4) THEN
NRALL = NRALL + NADRT *
& (1. - MIN(1.0,(SRDOT + WRIDOT) / RTWT))
ENDIF
! Shell and seed
NSHALL = NGRSH - NRUSSH
NSDALL = NGRSD
WTNLA = WTNLA + NLALL
WTNSA = WTNSA + NSALL
WTNRA = WTNRA + NRALL
WTNSHA = WTNSHA + NSHALL
WTNSDA = WTNSDA + NSDALL
C-----------------------------------------------------------------------
C Nodules
C-----------------------------------------------------------------------
IF (ISWNIT == 'Y' .AND. ISWSYM == 'Y') THEN
DWNODA = DWNODA + NODGR
WTNFX = WTNFX + NFIXN + (NODGR * 0.16 * PRONOD) - NTOVR
WTNNAG = DWNODA * 0.16 * PRONOD
ENDIF
C-----------------------------------------------------------------------
C Compute Cumulative N loss During Season
C-----------------------------------------------------------------------
WTNLO = WTNLO + NLOFF
WTNSO = WTNSO + NSOFF
WTNRO = WTNRO + NROFF
WTNSHO = WTNSHO + NSHOFF
WTNSDO = WTNSDO + NSDOFF
IF (ISWNIT == 'Y' .AND. ISWSYM == 'Y') THEN
NNOFF = NDTH * 0.16 * PRONOD
WTNNO = WTNNO + NNOFF
ENDIF
C-----------------------------------------------------------------------
C N Balance Components for Mobilized, Uptake, and Fixed N
C-----------------------------------------------------------------------
WTNMOB = WTNMOB + NMINEA
WTNUP = WTNUP + TRNU
WTNNA = WTNNOD + WTNNO
C-----------------------------------------------------------------------
C Compute Percentage N in each Plant Component
C-----------------------------------------------------------------------
IF ((WTLF > 1.E-4) .AND. (WTLF > WTNLF) .AND.
& (WTNLF > 1.E-5)) THEN
PCNL = WTNLF / WTLF * 100.0
ELSE
PCNL = 0.0
ENDIF
IF ((STMWT > 1.E-4) .AND. (WTNST > 1.E-5)) THEN
PCNST = WTNST / STMWT * 100.0
ELSE
PCNST = 0.0
ENDIF
IF ((RTWT > 1.E-4) .AND. (WTNRT > 1.E-5)) THEN
PCNRT = WTNRT / RTWT * 100.0
ELSE
PCNRT = 0.0
ENDIF
IF ((SHELWT > 1.E-4) .AND. (WTNSH > 1.E-5)) THEN
PCNSH = WTNSH / SHELWT * 100.0
ELSE
PCNSH = 0.0
ENDIF
C-----------------------------------------------------------------------
C Compute Percentage Seed Composition
C-----------------------------------------------------------------------
IF (SDWT > 0.01) THEN
PCNSD = WTNSD / SDWT * 100.0
PCLSD = WTLSD / SDWT * 100.0
PCCSD = WTCSD / SDWT * 100.0
ELSE
PCNSD = 0.0
PCLSD = 0.0
PCCSD = 0.0
ENDIF
C-----------------------------------------------------------------------
C Calculate true nitrogen concentration in leaf tissue for
C photosynthesis reduction.
C-----------------------------------------------------------------------
IF ((WTLF - WCRLF) > 1.E-4) THEN
RNITP = 100.*WTNLF/(WTLF-WCRLF)
ELSE
RNITP = PCNMIN
ENDIF
C-----------------------------------------------------------------------
C Calculate Remaining N in Shells, Leaves, Stems, and Roots
C That can be Mined (Plant N-Balance).
C-----------------------------------------------------------------------
IF ((WTLF - WCRLF) > 1.E-4) THEN
WNRLF = MAX (WTNLF - PROLFF * 0.16 * (WTLF-WCRLF), 0.0)
ELSE
WNRLF = 0.0
ENDIF
IF ((STMWT - WCRST) > 1.E-4) THEN
WNRST = MAX (WTNST - PROSTF * 0.16 * (STMWT-WCRST), 0.0)
ELSE
WNRST = 0.0
ENDIF
IF (RTWT > 1.E-4) THEN
WNRRT = MAX (WTNRT - PRORTF * 0.16 * RTWT, 0.0)
ELSE
WNRRT = 0.0
ENDIF
IF (SHELWT > 1.E-4) THEN
WNRSH = MAX (WTNSH - PROSHF * 0.16 * SHELWT, 0.0)
ELSE
WNRSH = 0.0
ENDIF
C-----------------------------------------------------------------------
C This section added to provide senescence parameters to the
C Soil N routines (senescence and freeze values are added to soil
C residue; pest damage components are lost from the system)
C-----------------------------------------------------------------------
C Surface carbon includes all senescence and freeze variables for
C leaf (SLDOT, WLFDOT), stem (SSDOT), and shell (WTABRT)
C At this time, the model does not senesce seed.
C Convert from biomass to C with a factor 0.40.
C-----------------------------------------------------------------------
SenWt(0) = (SLDOT + WLFDOT + SSDOT + WTABRT)
C Convert from g/m2 to kg/ha with a factor of 10.
SenWt(0) = AMAX1(SenWt(0), 0.) * 10.0 !kg[dry matter]/ha
C-----------------------------------------------------------------------
C Surface nitrogen includes nitrogen losses computed above minus the
C pest damage components.
C-----------------------------------------------------------------------
SenE(0,1) = NLOFF + NSOFF + NSHOFF - NLPEST
C Convert from g/m2 to kg/ha with a factor of 10.
SenE(0,1) = AMAX1 (SenE(0,1),0.) * 10.0 !kg[N]/ha