Parameter Files

scs_crop_stages.csv

scs_crop_stage : integer
SCS crop growth stages for annual and perennial crops.

scs_crop_coef.csv

scs_crop_coef : float
SCS crop growth coefficients for annual and perennial crops.

fao_crop_stages.csv

season length : string
Can be any value. Describes the type of season and corresponds to different crop growth stages.
Lini : integer
Decimal fraction of the initial growth stage.
Ldev : integer
Decimal fraction of the development growth stage.
Lmid : integer
Decimal fraction of the middle growth stage.
Llate : integer
Decimal fraction of the late growth stage.

fao_crop_coef.csv

Kcnum : integer
Identifier for specific crop coefficients.
Kini : float
Coefficient for the initial crop growth stage.
Kmid : integer
Coefficient for the middle crop growth stage.
Kend : integer
Coefficient for the end of the season crop growth stage.

scs_crop_parameters.xlsx

Crop Parameters : string
Name of the crop. Must be present in SCS crop data files, scs_crop_coef.csv and scs_crop_stages.csv.
NICKNAME : string, optional
Alternate name of crop, not used, descriptive only.
NBTEMP : integer
Mean air temperature of earliest moisture use.
NETEMP : integer
Mean air temperature of latest moisture use.
MBEGMO : integer
Earliest month crop growth can begin.
MBEGDA : integer
Earliest day of month crop growth can begin.
MEDNMO : integer, optional
Month in which crop growth ends. Descriptive only and set internally based on NGROWS and NBEGMO and NBEGDA.
MENDDA : integer, optional
Day of month in which crop growth ends. Descriptive only and set internally based on NGROWS and NBEGMO and NBEGDA.
NGROWS : integer
Number of days in growing season.
PCLITE : float
Monthly percentage of daylight hours for the year at a given latitude.

fao_crop_parameters.xlsx

Crop Parameters : string
Name of the crop. Must be present in FAO crop data files, fao_crop_coef.csv and fao_crop_stages.csv.
NICKNAME : string
Alternate name of crop, not used, descriptive only.
MBEGMO : integer
Earliest month crop growth can begin.
MBEGDA : integer
Earliest day of month crop growth can begin.
MEDNMO : integer, optional
Month in which crop growth ends. Descriptive only and set internally based on NGROWS and NBEGMO and NBEGDA.
MENDDA : integer, optional
Day of month in which crop growth ends. Descriptive only and set internally based on NGROWS and NBEGMO and NBEGDA.
NGROWS : integer
Number of days in growing season.
STYPE : string
Type of growing season. Must match a season listed in fao_crop_stages.csv
KCNUM : integer
Number identifying which crop coefficients to use. Must match a value in fao_crop_coef.csv
Latitude : float
Latitude of site. Used to calculate monthly percentage of daylight hours.

crop_ref.csv

Short name : string
Condensed and abbreviated name of crop.
long name : string
Full name of crop.
type : string
Crop growth type.
mmnum : integer
Number of months used to find Spring mean temperature. SCS method only.