APPEND_OUT- Flag used to indicate the desire to append output from
current main output file to the previous output file. [I:0-1] {IAPPEND}
BATCH- Flag used to indicate the desire to use batch experiment and
treatment selection menus. Requires that the SELECT flag be set. Set to 0
for GUICS.[I:0-1] {IBATCH}
CNRATIO- Ratio of carbon to nitrogen in soil organic matter. Ranges
from about 5 to 25. 10 is used in most other models. [R:1:25] {CNRATI}
DMINRF- Decomposition factor for new organic matter [R:.000087-.03]
DUMPFILE- Flag used to indicate whether or not to use check point
feature. [I:0-1] {IDUMP}
EFFIRR- Mean irrigation system efficiency (%). [R:0.5-1] {EFFIRR}
FORECAST-IR Predict optimal irrigation amounts. Value of 0 turns off,
value of 1-366 selects day of year to start, irrigation values for days preceding
start date will be taken from treatment data file. IIRR in CONFIG.CFG must
be set to 2. If BATCH is set to 0, the model will ask if a different weather file is
to be used at the start of the forecast period (thus a grower could use last
years weather to forecast irrigation and nitrogen needs from the current day
onto to the end of the season. [I:0-366] {IFORECAST}
FORECAST-NI Predict optimal N fertigation amounts. Value of 0 turns off,
value of 1-366 selects day of year to start, N values for days preceding start
date will be taken from treatment data file. NNRR in CONFIG.CFG must be
set to 2. If BATCH is set to 0, the model will ask if a different weather file is to
be used at the start of the forecast period (thus a grower could use last years
weather to forecast irrigation and nitrogen needs from the current day onto to
the end of the season. [I:0-366] {IFORECAST}
HPGL HPGL output flag. A value of 1 causes screen graphics
output to also be sent to a HPGL file named HPGL.OUT when PLOT = 1.
[R:0-1] {HPGL}
IFACTOR- Multiplication factor for calculating required irrigation in the
auto-irrigator routine. Used to decrease the frequency of auto- irrigator (1.0 >
X > 3.0) [R:1-3] {FACI}
IIRR- Switch variable to indicate type of irrigation (maybe none). (-
1) => use IIRR flag found in PARM.P file; 2 => manual irrigation; 5 =>
threshold based auto-irrigator. [I:(-1)-6] {IIRR}
IPLABOR- Price of irrigation labor ($/application). [R:0-10] {PL}
IMML- Minimum management level for soil moisture used in the
auto- irrigator (volume H2O/volume soil). [R:0.01-1] {MMI}
IRR_EFF_TYPE- Flag used to select the type of spray loss model. [I:0-2]
{IEFFTY}
LOADDAY- Julian date from which the user desires to restart. [I:1-366]
{LDDAY}
MAXIRR- Maximum pumping capacity (mm/day, 25.4 mm per inch)
[R:1-400] {MAXIRR}
MNIEFF- Lower bound of random irrigation efficiency (percent).
[R:0.5-1] {RNMIN}
MNRATE- Multiplication factor for mineralization of nitrogen from soil
organic matter. Use 1.0 for most soils, higher value (3 to 5) for sandy soils in
arid climate under irrigation. [.01-10] {MNRATE}
MXIEFF- Upper bound of random irrigation efficiency (percent). [R:1-
1.5] {RNMAX}
NFACTOR- Multiplication factor for calculating required fertigation in the
auto-fertigator routine. Used to decrease the frequency of auto- fertigator (1.0
> X > 1.5). [R:1-2] {FACN}
NPLABOR- Price of fertigation labor ($/application). [R:0-10] {PLN}
NMML- Minimum management level for soil nitrogen used in the
auto- irrigator (kg/ha, divide by 1.12 to convert to lb/ac). [R:60-400] {MMN}
NNRR- Switch variable to indicate type of fertigation (maybe none).
2 => manual irrigation; 5 => threshold based auto-irrigator. [I:0- 6] {NNRR}
OCPRCT- Fraction of soil organic in fast pool. [R:0-0.20] {OCPRCT}
OUTPUT_FREQUENCY -Value indicating the number of days between writing
data in the reports controlled by REPDAILY or REPORT. [I:0-366]
{IOFREQ}
PLOT- Flag used to indicate the desire to use real time graphics
options. [I:0-1] Set to 0 for GUICS. {IPLOT}
PLTPER- Flag used to choose between single growing season (0),
single year (1), multiple growing seasons (2), or multiple years (3) plot. For
options 2 or 3, BATCH must be set to 1 and experiments and treatments must
be selected by being listed in the file BATCH.P. [I:0-3] {PLTPER}
PNITROGEN- Price of nitrogen ($/kg N, multiply by 2.2 for lbs.). [R:0-2]
{PN}
PWATER- Cost of irrigation water ($). [R:0-2] {PPW}
REPORT- Flag used to indicate the desire to generate an ASCII report
based on the WDAY flags in the file STOP.P. [I:0-31] {IREP}
REP_DAILY- Flag used to indicate the desire to generate a daily ASCII
report file. Sum of 1, 2, 4, 8, 16, 32, and 64 are used to indicate which reports
are to be written. [I:0-31] {IDAILY}
REP_FREQ- Flag used to indicate the number of records between writing
a header line in ASCII report files. [I:0-366] {IFREQ}
REP_IRREFF- Flag indicating whether or not to produce a irrigation report. [I:0-
1]
SCROUT- Flag indicating whether or not normal screen output will
occur. Set to 0 for GUICS. [I:0-1] {ISCR}
SDI- Flag for pulsed subsurface drip irrigation. 0 means surface irrigation, 1-
10 indicates layer where water is injected. Pulsed drip irrigation is applied in
small pulses of water throughout the day to continually just replace measured
or simulated evapotranspiration. Water is injected into layer SDI after
drainage, but before unsaturated flow has been calculated since the pulsed
application is believed to be less susceptible to drainage than less frequent
irrigation. [I:0-10] {SDI}
SELECT- Flag used to indicate the desire to use experiment and
treatment selection menus. Set to 0 for GUICS. [I:0-1] {ICHIOCE}
STDIRREFF- Standard deviation of irrigation efficiency. [R:0.01-0.25]
{STDIRR}
STOP- Flag used to indicate the desire to use interactive stop and
restart features for variable alteration based on Julian dates in STOP.P. [I:0-
1] {ISTOP}
UNITS- Flag to indicate Metric (1) or American units in I/O files. [I:0-
1]
USELOAD- Flag used to indicate whether or not to restart from a LOAD
file. [I:0-1] {ILOAD}
VIEW_DAY- Julian date for examining soil moisture and nitrogen. [I:1-
366] {DDAY}
WPYIELD- Price of yield ($/kg). [R:0.01-1] {PY}
APPENDIX 2: ANNOTATED COPY OF CONFIG.CFG FILE
VIEW_DAY DDAY = 229 ! Julian date for examining soil moisture and nitrogen. [I:1-366]
SCROUT SCROUT = 1 ! Turns on normal screen output
IPLABOR IPLABOR = 0.13 ! Labor costs for irrigation
NPLABOR NPLABOR = 0.065 ! and fertigation $/application ->$2.50 ACRE INCLUDING MACH.
WPYIELD WPYIELD = 0.094 ! Price of yield $/kg
PWATER PWATER = 0.16 ! Price of water
PNITROGEN PNITROGEN = 0.37 ! Price of nitrogen
EFFIRR EFFIRR = 0.90 ! Efficiency of irrigation system
STDIRREFF STDIRREFF = 0.05 ! Standard deviation of irrigation efficiency
MXIEFF MXIEFF = 1.1 ! Upper & lower bounds of
MNIEFF MNIEFF = 0.6 ! irrigation efficiency
MAXIRR (mm) MAXIRR = 12.0 ! Maximum pumping capacity (mm/day) [R:1- 20] {MAXIRR}
IIRR IIRR = 2 ! Method of irrigation, 2=manual, 5=auto, -1=use value from file *.PT8
NNRR NNRR = 2 ! Method of fertigation, 2=manual, 5=auto
SDI SDI = 0 ! Layer for pulsed subsurface drip irrigation
FORECAST-IR IFORECAST = 0 ! Flag to forecast optimal irrigation
FORECAST-NI NFORECAST= 0 ! Flag to forecast optimal N fertigation
NMML (kg/ha/m) NMML = 160.0 ! Soil nitrogen level to trigger automatic fertigation
IMML (%) IMML = 0.09 ! Extractable volumetric water content of top 2 layers to trigger automatic irrigation
IFACTOR IFACTOR = 1.15 ! Target volumetric water content after automatic irrigation
NFACTOR NFACTOR = 1.1 ! Target soil nitrogen content after automatic fertigation
MNRATE MNRATE = 1.0 ! Multiplier for rate of nitrogen mineralization from soil organic matter
CNRATIO CNRATIO = 10. ! C:N ratio in soil organic matter
OCPRCT OCPRCT = 0.0 ! Fraction of soil organic matter in fast pool
DMINRF DMINRF = 0.01 ! Decomposition rate for new or fast organic matter
DUMPFILE IDUMP = 0 ! Flag to use checkpoint feature
USELOAD ILOAD = 0 ! Flag to restart from load file
LOADDAY ILOAD = 133 ! Julian date from which the user desires to restart from
STOP ISTOP = 0 ! Flag to indicate use of interactive stop and restart features to change variables on Julian dates in STOP.P
PLOT IPLOT = 0 ! Flag to use graphics, set SCROUT, ISTOP, USELOAD to 0
UNITS UNITS = 1 ! I/O in Metric units, 0 for American units
SELECT ICHOICE = 1 ! Prompt to select experiment & treatment
BATCH IBATCH = 0 ! Run from batch file BATCH.P
REPORT IREP = 1 ! Turns on report files for output
REP_FREQ IFREQ = 23 ! Number of lines -1 between report column titles, set to 1 for only 1
REP_DAILY IDAILY = 0 ! Determines which REPORT files to output if greater than 0 (see comments in file JPLOAD.FOR, subroutine REPT)
APPEND_OUT IAPPEND = 0 ! Add onto old output files if 1
OUTPUT_FREQUENCY IOFREQ= 1 ! Frequency of output to reports, 1=daily
REP_IRREFF IREPEF = 1 ! Flag to report irrigation efficiency
IRR_EFF_TYPE IEFFTY = 0 ! Method to calculate irrigation efficiency
REDIST_RUNOFF IREDIS = 0 ! Method to calculate redistribution of runoff
HPGL HPGL = 0 ! Creates HPGL output file of screen graphics (HPGL.OUT)
PLTPER PLTPER = 0 ! Controls period of time for graphics plots, i.e. growing season (0,2) or whole year (1,3) and whether to plot a single treatment (0,1) or multiple treatments (2,3; batch mode required)
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