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include n-related variables and SENESCE interface (#4)
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Murilo Vianna committed Jan 10, 2025
1 parent 958d93f commit b7fe9b1
Showing 1 changed file with 30 additions and 5 deletions.
35 changes: 30 additions & 5 deletions Plant/SAMUCA-Sugarcane/SC_SAMUCA_MODEL.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -49,8 +49,7 @@ subroutine SAMUCA(CONTROL, ISWITCH, &
Implicit None
EXTERNAL DAYLEN, FIND_INP_SAM, GET_CULTIVAR_COEFF, GET_SPECIES_COEFF, &
PGS, ROOT_PROFILE, SC_OPGROW_SAM, SC_OPGROW_SAM_DETAILED, SC_OPHARV_SAM, SC_WATERSTRESS, SOLAR, &
SUBS_BALANCE, SUCROSE_CONTENT, TOTASS
save
SUBS_BALANCE, SUCROSE_CONTENT, TOTASS

integer DYNAMIC ! This is the dynamic call initialization, rate, integration (~task) (IN)

Expand Down Expand Up @@ -97,7 +96,7 @@ subroutine SAMUCA(CONTROL, ISWITCH, &
TYPE (SoilType) SOILPROP
TYPE (SwitchType) ISWITCH
! Type (ResidueType) HARVRES
! Type (ResidueType) SENESCE
Type (ResidueType) SENESCE
Type (WeatherType) WEATHER

!--- Local composite variables:
Expand Down Expand Up @@ -146,6 +145,7 @@ subroutine SAMUCA(CONTROL, ISWITCH, &
integer sl ! Soil layer iterator
integer tl ! Tiller iterator
integer nlay ! Number of soil layers
integer nlay_roots ! Number of soil layers with roots
integer das ! Days after simulation started
integer dap ! Days after planting
integer year ! year
Expand Down Expand Up @@ -576,7 +576,13 @@ subroutine SAMUCA(CONTROL, ISWITCH, &
real resp ! Canopy respiration used for carbon assimilation [deprecated method]
real pol ! Percentage of sucrose content in fresh stalk biomass
real kc ! Crop coefficient for evapotranspiration calculations
real maxlai ! Maximum LAI hit throughout the season (needed for SC_OPHARV_SAM)
real maxlai ! Maximum LAI hit throughout the season (needed for SC_OPHARV_SAM)

!--- N-related variables [based on MZCER]
real TMNC ! Plant top minimum N concentration g N/g dry matter
real TANCE ! Nitrogen content in above ground biomass at emergence, g N/g dry matter
real RCNP ! Root critical nitrogen concentration, g N/g root dry weight
real RANCE ! Root N content at emergence g N/g root

!--- Arrays Variables
real phprof(200,60) ! Phytomer profile and attributes dimensions
Expand Down Expand Up @@ -923,7 +929,14 @@ subroutine SAMUCA(CONTROL, ISWITCH, &
call get_species_coeff( c_scattering, 'C_SCATTERING', CONTROL, SPC_ERROR)
call get_species_coeff( k, 'K', CONTROL, SPC_ERROR)
call get_species_coeff( root_front_size, 'RT_FRONT_SIZE', CONTROL, SPC_ERROR)


!--- N-related parameters (experimental!)
!--- TODO: when finished, transfer to samuca .SPE
TMNC = 0.00450 ! Same as Genotype/MZCER048.SPE [v4.8.5]
TANCE = 0.0440 ! Same as Genotype/MZCER048.SPE [v4.8.5]
RCNP = 0.01060 ! Same as Genotype/MZCER048.SPE [v4.8.5]
RANCE = 0.0220 ! Same as Genotype/MZCER048.SPE [v4.8.5]

!--- Get integer variables
maxgl = aint(maxgl_r)
maxdgl = aint(maxdgl_r)
Expand Down Expand Up @@ -1309,6 +1322,12 @@ subroutine SAMUCA(CONTROL, ISWITCH, &
!--- Initial Crop Depth [cm]
shootdepth = initcropdepth
diac_at_emergence = 0.d0
nlay_roots = 0
do sl=1, nlay
if (rld(sl) .gt. z) then
nlay_roots = nlay
endif
enddo

!--- Resources used for emergence (reset plant memory)
res_used_emerg = 0.d0
Expand Down Expand Up @@ -1387,6 +1406,12 @@ subroutine SAMUCA(CONTROL, ISWITCH, &
!--- Total LAI must exceed or be equal to healthy LAI
!--- Following MJ:
XLAI = MAX(XLAI, XHLAI)

!--- Composite variable containing data about daily senesced plant matter. Structure of variable is defined in ModuleDefs.for
SENESCE % ResWt = 0.0
SENESCE % ResLig = 0.0
SENESCE % ResE = 0.0


!HARVRES ! Composite variable containing harvest residue amounts for total dry matter, lignin, and N amounts. Structure of variable is defined in ModuleDefs.for.
!MDATE ! Harvest maturity date (YYYYDDD)
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