***********************************************************************************************
* Filename: MaizeD.CRP
* Contents: SWAP4 - Data for detailed crop model
***********************************************************************************************
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*** PLANT GROWTH SECTION ***

***********************************************************************************************
* Part 1: Crop factor or crop height

  SWCF = 2 ! choice between crop factor [=1] or crop height [=2]
* Choose crop factor if ETref is used, either from meteo input file (SWETR = 1) or with Penman-Monteith
* Choose crop height if Penman-Monteith should be used with actual crop height, albedo and resistance

* If SWCF = 1, list crop factor CF [0.5..1.5, R],   as function of dev. stage DVS [0..2 -,R]:
* If SWCF = 2, list crop height CH [0..1000 cm, R], as function of dev. stage DVS [0..2 -,R]:
* (maximum 36 records)
         DVS      CH  CF
         0.0     1.0  0.5
         0.3    15.0  0.8
         0.5    40.0  1.0
         0.7   140.0  1.0
         1.0   170.0  1.0
         1.4   180.0  1.0
         2.0   175.0  1.0
* End of Table

* If SWCF = 2, list crop specifi values for:
  ALBEDO =   0.20 ! crop reflection coefficient [0..1.0 -, R]                    
  RSC    =  131.0 ! Minimum canopy resistance [0..10^6 s/m, R]                    
  RSW    =    0.0 ! Canopy resistance of intercepted water [0..10^6 s/m, R]
***********************************************************************************************

***********************************************************************************************
* Part 2 : Crop development

  IDSL   =        0 ! Switch for crop development:
*                     0 = Crop development before anthesis depends on temperature only
*                     1 = Crop development before anthesis depends on daylenght e only
*                     2 = Crop development before anthesis depends on both

* If IDSL = 1 or 2, specify:
  DLO    =  14.0     ! Minimum day length for optimum crop development [0..24 h, R]
  DLC    =   8.0     ! Shortest day length for any development, [0..24 h, R]

* If IDSL = 0 or 2 specify:
  TSUMEA =  1100.0  ! Temperature sum from emergence to anthesis, [0..10000 C, R]
  TSUMAM =  1000.0  ! Temperature sum from anthesis to maturity  [0..10000 C, R]

* List increase in temperature sum [0..60 C, R] as function of daily average temp. [0..100 C, R]
*         TAV  DTSM    (maximum 15 records)
  DTSMTB =
            0.00   0.00
            6.00   0.00
           30.00  24.00
           35.00  24.00
* End of Table

  DVSEND =      2.00 ! development stage at harvest [-]

* germination   defined in .swp-file : 
*  INITCRP=1: CROPSTART defines emergence (default), INITCRP=2: CROPSTART defines sowing
* IF INITCRP = 2 specify
  TSUMEMEOPT  =   70.0   ! temperature sum needed for crop emergence     [0..1000 C d, R]
  TBASEM      =    6.0   ! minimum temperature, used for germination trajectory  [0..40 C, R]  
  TEFFMX      =   30.0   ! maximum temperature, used for germination trajectory  [0..40 C, R]  
  HDRYGERM    = -500.0   ! pressure head rootzone for dry germination trajectory [-1000..-0.01 cm, R]
  HWETGERM    =   -50.0 ! pressure head rootzone for wet germination trajectory [-100..-0.01 cm, R]
  AGERM       =  203.    ! a-coefficient Eq. 24/25 Feddes & Van Wijk     [1..1000, R]
  CGERM       = -432.    ! c-coefficient Eq. 24    Feddes & Van Wijk     [1..1000, R]
  BGERM       =  522.    ! b-coefficient Eq. 25    Feddes & Van Wijk     [1..1000, R]  
***********************************************************************************************

***********************************************************************************************
* Part 3: Initial values

  TDWI   =   50.00   ! Initial total crop dry weight [0..10000 kg/ha, R]
  LAIEM  = 0.04836   ! Leaf area index at emergence [0..10 m2/m2, R]
  RGRLAI = 0.02940   ! Maximum relative increase in LAI [0..1 m2/m2/d, R]
***********************************************************************************************

***********************************************************************************************
* Part 4: Green surface area

  SPA    =  0.0000 ! Specific pod area  [0..1 ha/kg, R]
  SSA    =  0.0000 ! Specific stem area [0..1 ha/kg, R]
  SPAN   =   33.00 ! Life span under leaves under optimum conditions, [0..366 d, R]
  TBASE  =    4.00 ! Lower threshold temperature for ageing of leaves ,[-10..30 C, R]

* List specific leaf area [0..1 ha/kg, R] as function of devel. stage [0..2, R]

*         DVS  SLA    (maximum 15 records)
  SLATB =
           0.00 0.0018
           2.00 0.0018
* End of Table 
***********************************************************************************************

***********************************************************************************************
* Part 5: Assimilation

  KDIF   =    0.60 ! Extinction coefficient for diffuse visible light, [0..2 -, R]
  KDIR   =    0.75 ! Extinction coefficient for direct visible light, [0..2 -, R]
  EFF    =    0.50 ! Light use efficiency for real leaf [0..10 kg CO2 /J adsorbed), R]
*
* List max CO2 assimilation rate [0..100 kg/ha/hr, R] as function of development stage [0..2 -, R]
*          DVS    AMAX   (maximum 15 records)
  AMAXTB =
           0.00  70.0
           1.25  70.0
           1.75  70.0
           2.00  50.0
* End of table 

* List reduction factor of AMAX [-, R] as function of average day temp. [-10..50 C, R]

*          TAVD   TMPF  (maximum 15 records)
  TMPFTB =
           0.00  0.010
           9.00  0.050
          16.00  0.800
          18.00  0.940
          20.00  1.000
          30.00  1.000
          36.00  0.950
          42.00  0.560
* End of table 

* List reduction factor of AMAX [-, R] as function of minimum day temp. [-10..50 C, R]

*          TMNR    TMNF  (maximum 15 records)
  TMNFTB = 
           5.00  0.000
           8.00  1.000
* End of table 
***********************************************************************************************

***********************************************************************************************
* Part 6: Conversion of assimilates into biomass
*
  CVL    =  0.6800 ! Efficiency of conversion into leaves,         [0..1 kg/kg, R]
  CVO    =  0.6710 ! Efficiency of conversion into storage organs, [0..1 kg/kg, R]
  CVR    =  0.6900 ! Efficiency of conversion into roots,          [0..1 kg/kg, R]
  CVS    =  0.6580 ! Efficiency of conversion into stems,          [0..1 kg/kg, R]
***********************************************************************************************

***********************************************************************************************
* Part 7: Maintenance respiration
*
  Q10    =  2.0000 ! Rel. increase in respiration rate with temperature, [0..5 /10 C, R]
  RML    =  0.0300 ! Rel. maintenance respiration rate of leaves,  [0..1 kgCH2O/kg/d, R]
  RMO    =  0.0100 ! Rel. maintenance respiration rate of st. org.,[0..1 kgCH2O/kg/d, R]
  RMR    =  0.0150 ! Rel. maintenance respiration rate of roots,   [0..1 kgCH2O/kg/d, R]
  RMS    =  0.0150 ! Rel. maintenance respiration rate of stems,   [0..1 kgCH2O/kg/d, R]

* List reduction factor of senescence [-, R] as function of dev. stage [0..2 -, R]

*          DVS    RFSE  (maximum 15 records)
  RFSETB = 
           0.00   1.00
           1.50   1.00
           1.75   0.75
           2.00   0.25
* End of table 
***********************************************************************************************

***********************************************************************************************
* Part 8: Partitioning

* List fraction of total dry matter increase partitioned to the roots [kg/kg, R]
* as function of development stage [0..2 -, R]
*          DVS     FR    (maximum 15 records)
  FRTB = 
           0.00   0.40
           0.10   0.37
           0.20   0.34
           0.30   0.31
           0.40   0.27
           0.50   0.23
           0.60   0.19
           0.70   0.15
           0.80   0.10
           0.90   0.06
           1.00   0.00
           2.00   0.00
* End of table 

* List fraction of total above ground dry matter incr. part. to the leaves [kg/kg, R]
* as function of development stage [0..2 -, R]

*          DVS     FL   (maximum 15 records)
  FLTB = 
           0.00   0.62
           0.33   0.62
           0.88   0.30
           0.95   0.30
           1.10   0.30   
           1.20   0.15
           2.00   0.15
* End of table 

* List fraction of total above ground dry matter incr. part. to the stems [kg/kg, R]
* as function of development stage [0..2 -, R]

*          DVS    FS   (maximum 15 records)
  FSTB = 
           0.00   0.38
           0.33   0.38
           0.88   0.70
           0.95   0.70
           1.10   0.40
           1.20   0.00
           2.00   0.00
* End of table 

* List fraction of total above ground dry matter incr. part. to the st. organs [kg/kg, R]
* as function of development stage [0..2 -, R]

*          DVS    FO    (maximum 15 records)
*           0.00   0.00
  FOTB = 
           0.95   0.00
           1.10   0.30
           1.20   0.85
           2.00   0.85
* End of table
***********************************************************************************************

***********************************************************************************************
* Part 9: Death rates

  PERDL =   0.030 ! Maximum rel. death rate of leaves due to water stress [0..3 /d, R]

* List relative death rates of roots [kg/kg/d] as function of dev. stage [0..2 -, R]
*          DVS    RDRR    (maximum 15 records)
  RDRRTB = 
          0.0000 0.0000
          1.5000 0.0000
          1.5001 0.0200
          2.0000 0.0200
* End of table

* List relative death rates of stems [kg/kg/d] as function of dev. stage [0..2 -, R]
*          DVS     RDRS    (maximum 15 records)
  RDRSTB = 
          0.0000 0.0000
          1.5000 0.0000
          1.5001 0.0200
          2.0000 0.0200
* End of table
***********************************************************************************************

***********************************************************************************************
* Part 10: Crop water use                                            
* 
* -- Part 10a: Oxygen stress -----------------------

* Switch for oxygen stress:
  SwOxygen = 1      ! 1 = Oxygen stress according to Feddes et al. (1978)
                    ! 2 = Oxygen stress according to Bartholomeus et al. (2008)

* If SwOxygen = 1, specify:
  HLIM1  =    -10.0    ! No water extraction at higher pressure heads, [-100..100 cm, R]
  HLIM2U =    -25.0    ! h below which optimum water extr. starts for top layer, [-1000..100 cm, R]
  HLIM2L =    -25.0    ! h below which optimum water extr. starts for sub layer, [-1000..100 cm, R]


* If SwOxygen = 2, specify:
  Q10_microbial       = 2.8d0      ! Relative increase in microbial respiration at temperature increase of 10 ºC [1.0..4.0 -, R]
  Specific_resp_humus = 1.6d-3     ! 2.258d-4   ! Respiration rate of humus at 25 ºC [0.0..1.0 kg O2/kg C/d, R] 
  SRL                 = 151375.d0  ! Specific root length [0.d0..1.d10 m root/kg root, R]      
  SwRootRadius        = 2          ! Switch for calculation of root radius
                                         ! 1 calculate root radius
                                         ! 2 root radius given in input file
* If SwRootRadius = 1, specify:
  Dry_mat_cont_roots      = 0.075d0    ! Dry matter content of roots [0..1.0 -, R]
  Air_filled_root_por     = 0.05d0     ! Air filled root porosity [0..1.0 -, R]
  Spec_weight_root_tissue = 1.0d3      ! Specific weight of non-airfilled root tissue [0.d0..1.d5 kg root/m3 root, R]
  Var_a                   = 4.175d-10  ! Variance of root radius [0.d0..1.d0 -, R]
* If SwRootRadius = 2, specify:
  Root_radiusO2 = 0.00015d0            ! meter! root radius for oxygen stress module

* 
* -- Part 10b: Drought stress -----------------------

* Switch for drought stress:
  SwDrought = 1      ! 1 = Drought stress according to Feddes et al. (1978)
                     ! 2 = Drought stress according to De Jong van Lier et al. (2008)

* If SwDrought = 1, or in case of irrigation scheduling, specify:
  HLIM3H =    -400.0    ! h below which water uptake red. starts at high Tpot, [-10000..100 cm, R]
  HLIM3L =    -500.0    ! h below which water uptake red. starts at low Tpot, [-10000..100 cm, R]
  HLIM4  =  -10000.0    ! No water extraction at lower pressure heads, [-16000..100 cm, R]
  ADCRH  =       0.5    ! Level of high atmospheric demand, [0..5 cm/d, R]     
  ADCRL  =       0.1    ! Level of low atmospheric demand,  [0..5 cm/d, R]     

*  hidden option : (0.3 is default value after Jarvis for moderate drought compensation)
  ALPHACRIT = 0.7        ! Criticial stress index for compensation of root water uptake [0.2 .. 1.0 -, R]  

* If SwDrought = 2, specify:
  WILTPOINT  = -20000.0 ! Minimum pressure head in leaves, [-1.0d8..-1.0d2 cm, R]
  KSTEM =       1.03d-4 ! Conductance in the path from leaf to root xylem [1.0d-10..1.0d0 /d, R]
  RXYLEM =         0.02 ! Xylem radius, [0.0001..1 cm, R]
  ROOTRADIUS =     0.05 ! Root radius, [0.0001..1 cm, R]
  KROOT =        3.5d-5 ! Radial hydraulic conductivity of root tissue [1.0d-10..1.0d10 cm/d, R] 
  ROOTCOEFA  =     0.53 ! Defines relative distance at which mean soil water content occurs, [0..1.0 -, R]
  SWHYDRLIFT =        0 ! Switch for possibility hydraulic lift in root system, [N=0, Y=1]
  ROOTEFF    =      1.0 ! Root system efficiency factor [0..1.0 -, R]
  STEPHR   =        1.0 ! Step between values of hroot and hxylem in iteration cycle [0.d0..10.d0 cm, R]
  CRITERHR =      0.001 ! Maximum difference of Hroot between iterations; convergence criterium [0.d0..10.d0 cm, R]
  TACCUR =        0.001 ! Maximum absolute difference between simulated and calculated potential transpiration rate (1.0d-5..1.0d-2 cm/d, R)
***********************************************************************************************

***********************************************************************************************
* Part 11: salt stress                                            

* Switch salinity stress 
  SWSALINITY = 0  ! 0 = No salinity stress
                  ! 1 = Maas and Hoffman reduction function
                  ! 2 = Use osmotic head

* If SWSALINITY = 1, specify threshold and slope of Maas and Hoffman
  SALTMAX   =  3.0 ! Threshold salt concentration in soil water  [0..100 mg/cm3, R] 
  SALTSLOPE =  0.1 ! Decline of root water uptake above threshold [0..1.0 cm3/mg, R] 

* If SWSALINITY = 2, specify:
  SALTHEAD  =  624.0 ! Conversion salt concentration (mg/cm3) into osmotic head (cm) [0..1000.0 cm/(mg/cm3), R]  
***********************************************************************************************

***********************************************************************************************
* Part 12: interception                                            

* For agricultural crops apply interception concept of Von Hoyningen-Hune and Braden
  SWINTER =  1  ! Switch for rainfall interception method:
                ! 0 = No interception calculated
                ! 1 = Agricultural crops (Von Hoyningen-Hune and Braden)
                ! 2 = Trees and forests (Gash)
  COFAB =  0.25 ! Interception coefficient, corresponding to maximum interception amount [0..1 cm, R]
***********************************************************************************************

***********************************************************************************************
* Part 13: Root density distribution and root growth               

  RDI    =    5.00 ! Initial rooting depth, [0..1000 cm, R]
  RRI    =    2.20 ! Maximum daily increase in rooting depth, [0..100 cm/d, R]
  RDC    =   75.00 ! Maximum rooting depth crop/cultivar, [0..1000 cm, R]

* List root density [0..100 cm/cm3, R] as function of relative rooting depth [0..1 -, R]:
* In case of drought stress according to Feddes et al. (1978) (SWDROUGHT = 1), relative root density (-) is sufficient

*    Rdepth Rdensity          ! (maximum 11 records)
  RDCTB =               
  0.0  1.000
  0.1  0.741
  0.2  0.549
  0.3  0.407
  0.4  0.301
  0.5  0.223
  0.6  0.165
  0.7  0.122
  0.8  0.091
  0.9  0.067
  1.0  0.050
* End of table

* Expert-option for rooting depth limitation by relative dry matter increase (dmi/dmipot) 
* (default = no limitation: SWDMI2RD = 0; with limitation: SWDMI2RD = 1)
  SWDMI2RD = 1

************************************************************************************
*** MANAGEMENT SECTION ***

*** NITROGEN SECTION ***

**********************************************************************************

** Nitrogen use
* Data from: Linutl4,  http://models.pps.wur.nl/models
*                      param values from MAG202.DATo
*      reference:    Wolf, J. (2012). Users guide for LINTUL4 and LINTUL4V: 
*                    Simple generic model for simulation of crop growth under 
*                    potential, water limited and nitrogen limited conditions. 
*                    WUR-PPS report (Vol. 4).
RDRNS    = 0.05     ! max. relative death rate of leaves due to N stress
DVSNLT   = 1.3      ! development stage above which no crop nitrogen uptake does occur
DVSNT    = 0.8      ! development stage above which nitrogen translocation to storage organs does occur 
FNTRT    = 0.15     ! nitrogen translocation from roots as a fraction of total N amount translocated from leaves and stems
FRNX     = 0.5      ! optimal N concentration as fraction of maximum N concentration
LRNR     = 0.50     ! maximum N concentration in roots as fraction of maximum N concentration in leaves
LSNR     = 0.50     ! maximum N concentration in stems as fraction of maximum N concentration in leaves
NLAI     = 1.0      ! coefficient for the reduction due to N stress of the LAI increase (during juvenile phase)
NLUE     = 1.1      ! coefficient for the reduction of RUE due to  Nitrogen stress
NMAXSO   = 0.05     ! maximum N concentration (= 1.6*min. N conc.) in storage organs [kg N kg-1 dry biomass]
NPART    = 1.0      ! coefficient for the effect of N stress on leaf biomass reduction 
NSLA     = 0.5      ! coefficient for the effect of N stress on SLA reduction
RNFLV    = 0.0053   ! residual N fraction in leaves [kg N kg-1 dry biomass]
RNFST    = 0.0027   ! residual N fraction in stems [kg N kg-1 dry biomass]
RNFRT    = 0.0027   ! residual N fraction in roots [kg N kg-1 dry biomass]
TCNT     = 10.0     ! time coefficient for N translocation to storage organs [days]
NFIXF    = 0.0      ! fraction of crop nitrogen uptake by biological fixation [-]
NMXLV    =  0.0, 0.06,   ! maximum N concentration in leaves as function of development stage [kg N kg-1 dry biomass]
            0.4, 0.04,
            0.7, 0.03,
            1.0, 0.02,
            2.0, 0.022,
            2.1, 0.022



**********************************************************************************

* Harvest losses of organic matter 
FraHarLosOrm_lv = 0.2   ! fraction harvest losses of organic matter from leaves         [0.0..1.0 kg.kg-1 DM, R]
FraHarLosOrm_st = 0.1   ! fraction harvest losses of organic matter from stems          [0.0..1.0 kg.kg-1 DM, R]
FraHarLosOrm_so = 0.01  ! fraction harvest losses of organic matter from storage organs [0.0..1.0 kg.kg-1 DM, R]

**********************************************************************************



* Part 3: Management, other than mowing, grazing, irrigation, e.g. pests,diseases,nutrients,etc..
* 
 flpotrelmf = .false. ! Flag indicating calculation of attainable yield instead of theoretical potential yield
 relmf = 0.90        ! relative Management factor to reduce crop growth [0..1.0 [-], R]




************************************************************************************
** CO2-impact:
*    correction of photosynthesis as a function of atmospheric CO2 concentration (-)
*    correction of radiation use efficiency as a function of atmospheric CO2 concentration (-)
*    correction of transpiration as a function of atmospheric CO2 concentration (-)
FLCO2 = .FALSE.       ! Switch/flag for application of CO2 correction [Y=.TRUE., N=.FALSE.] 



*** IRRIGATION SCHEDULING SECTION ***
**********************************************************************************
* Part 1: General

  SCHEDULE = 1  ! Switch for application irrigation scheduling [Y=1, N=0] 

* If SCHEDULE = 0, no more information is required in this input file! 
* If SCHEDULE = 1, continue ....

  STARTIRR = 1 1 ! Specify day and month at which irrigation scheduling starts [dd mm]
  ENDIRR  = 31 12 ! Specify day and month at which irrigation scheduling stops [dd mm]
  CIRRS = 0.0     ! solute concentration of scheduled irrig. water, [0..100 mg/cm3, R]
  ISUAS = 0       ! Switch for type of irrigation method: 
                  ! 0 = sprinkling irrigation
                  ! 1 = surface irrigation

* Specify pressure head at field capacity
* required for timing options  TCS = 2, 3, or 4 and depth option DCS = 1, else dummy 
  phFieldCapacity = -100.0   ! soil hydraulic pressure head [-1000.0 .. 0.0,cm, R] 

**********************************************************************************


**********************************************************************************
* Part 2: Irrigation time criteria

*** Choose one of the following 5 timing options:
  TCS = 1  ! Switch for timing criterion [1..6 -, I]
           ! 1 = Ratio actual/potential transpiration
           ! 2 = Depletion of Readily Available Water
           ! 3 = Depletion of Totally Available Water
           ! 4 = Depletion of absolute Water Amount
           ! 5 = Pressure head or moisture content
           ! 6 = Fixed weekly irrigation, bring root zone back to field capacity
 

* Ratio actual/potential transpiration (TCS = 1)
* If TCS = 1, specify mimimum of ratio actual/potential transpiration Trel [0..1 -, R] as function of crop development stage
  DVS_tc1  Trel
      0.0  0.95
      2.0  0.95
* End of table


*** Depletion of Readily Available Water (TCS = 2) 
* If TCS = 2, specify minimal fraction of readily available water RAW [0..1, R],
* as function of development stage DVS_tc2 [0..2, R], maximum 7 records:
  DVS_tc2   RAW
      0.0  0.95
      2.0  0.95
* End of table


*** Depletion of Totally Available Water (TCS = 3)
* If TCS = 3, specify minimal fraction of totally available water TAW [0..1, R],
* as function of development stage DVS_tc3 [0..2, R], maximum 7 records:
  DVS_tc3   TAW
      0.0  0.50
      2.0  0.50
* End of table


*** Depletion Water Amount (TCS = 4)
* If TCS = 4, specify maximum amount of water depleted below field cap. DWA [0..500 mm, R],
* as function of development stage DVS_tc4 [0..2, R], maximum 7 records:
  DVS_tc4   DWA
      0.0  40.0
      2.0  40.0
* End of table


* Pressure head or Moisture content (TCS = 5), specify
  PHORMC = 0    ! Switch, use either pressure head (PHORMC = 0) or water content (PHORMC = 1)
  DCRIT = -30.0 ! Depth of the sensor [-100..0 cm, R]
* Also specify critical pressure head [-1d6..-100 cm, R] or moisture content [0..1 cm3/cm3, R] as function of crop development stage
  DVS_tc5  Value_tc5
      0.0    -1000.0
      2.0    -1000.0
* End of table

* In case TCS = 5, over-irrigation can be applied if the salinity concentration exceeds a threshold salinity
* Switch for over-irrigation:
  SWCIRRTHRES = 0    ! 0 = No over-irrigation
                     ! 1 = Apply over-irrigation
* If SWCIRRTHRES = 1, specify:
  CIRRTHRES = 8.0    ! Threshold salinity concentration above which over-irrigation occurs [0..100 mg/cm3, R]
  PERIRRSURP = 10.0  ! Over-irrigation as percentage of the usually scheduled irrigation depth [0..100 %, R]

* In case TCS = 6, specify: 
* Fixed weekly irrigation, root zone back to field capacity (TCS = 6), specify
* Threshold value for weekly irrigation; only irrigate when soil water deficit in root zone is larger than threshold
  IRGTHRESHOLD = 1.0       ! threshold value  [0..20 mm, R]


* Switch for minimum time interval between irrigation applications
  TCSFIX = 0       ! 0 = no minimum time interval
                   ! 1 = define minimum time interval
* If TCSFIX = 1, specify:
  IRGDAYFIX = 7    ! Minimum number of days between irrigation applications [1..366 d, I]

**********************************************************************************


**********************************************************************************
* Part 3: Irrigation depth criteria
* Choose one of the following two options for irrigation depth:
  DCS = 1      ! 1 = Back to Field Capacity
               ! 2 = Fixed Irrigation Depth


* Back to Field Capacity (DCS = 1)  
* If DCS = 1, specify amount of under (-) or over (+) irrigation dI [-100..100 mm, R],
* as function of crop development stage [0..2, R]
    DVS_dc1    dI        ! (maximum 7 records)
        0.0  0.0
        2.0  0.0
* End of table
  RAITHRESHOLD = 10.0 ! When rainfall exceeds RAITHRESHOLD, dI is added to Back to Field Capacity [0..1000 cm, R]


* Fixed Irrigation Depth (DCS = 2)
* If DCS = 2, specify fixed irrigation depth FID [0..400 mm, R],
* as function of crop development stage [0..2, R]
    DVS_dc2   FID         ! (maximum 7 records)
        0.0  60.0
        2.0  60.0
* End of table


* Select minimum and maximum of irrigation depths:
  dcslim = 0         ! Switch, limit range irrigation depth  [Y=1, N=0]

* If dcslim = 1, specify:
  irgdepmin = 10.0    !  Minimum irrigation depth [0..100 mm, I]
  irgdepmax = 80.0    !  Maximum irrigation depth [irgdepmin..1d7 mm, I]


* End of .crp file !
