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SOIL.CDE
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*CODES FOR SOIL DATA
! DSSAT v4.7; 09/01/2017
!
! Codes currently used for both detailed profile analysis and occasional
! analysis of the surface layers are listed. The soil analysis codes are
! also listed in the DATA.CDE file.
!
! The fields in the file are as follows:
! CDE The 'universal' code used to facilitate data interchange.
! DESCRIPTION A description of the code, with units.
! SO The source of the codes (IB=IBSNAT). Codes added by a user should be
! referenced in this field and the name and address of the person adding
! the code should be entered as a comment (ie.with a '!' in column 1)
! below this note. This is important to ensure that information from
! different workers can be easily integrated.
@CDE DESCRIPTION SO
C Clay IB
CACO3 CaCO3 content, g kg-1 IB
CL Clay loam IB
L Loam IB
LAT Latitude, degrees (decimals;+ve north) IB
LONG Longitude, degrees (decimals;+ve east) IB
LS Loamy sand IB
S Sand IB
SABD Bulk density, moist, g cm-3 IB
SABL Depth, base of layer, cm IB
SADAT Analysis date, year + days from Jan. 1 IB
SAHB pH in buffer IB
SAHW pH in water IB
SAKE Potassium, exchangeable, cmol kg-1 IB
SALB Albedo, fraction IB
SANI Total nitrogen, % IB
SAOC Organic carbon, % IB
SAPX Phosphorus, extractable, mg kg-1 IB
SBDM Bulk density, moist, g cm-3 IB
SC Silty clay IB
SCEC Cation exchange capacity, cmol kg-1 IB
SCL Silty clay loam IB
SCOM Color, moist, Munsell hue IB
SCSFAM Family, SCS system IB
SDUL Upper limit, drained, cm3 cm-3 IB
SH20 Water, cm3 cm-3 IB
SI Silt IB
SIC Silty clay IB
SICL Silty clay loam IB
SIL Silty loam IB
SITE Site name IB
SL Sandy loam IB
SLAL Aluminum IB
SLB Depth, base of layer, cm IB
SLBS Base saturation, cmol kg-1 IB
SLCA Calcium, exchangeable, cmol kg-1 IB
SLCF Coarse fraction (>2 mm), % IB
SLCL Clay (<0.002 mm), % IB
SLDP Soil depth, cm IB
SLDR Drainage rate, fraction day-1 IB
SLEC Electric conductivity, seimen IB
SLFE Iron IB
SLHB pH in buffer IB
SLHW pH in water IB
SLKE Potassium, exchangeable, cmol kg-1 IB
SLLL Lower limit, cm3 cm-3 IB
SLMG Magnesium, cmol kg-1 IB
SLMH Master horizon IB
SLMN Manganese IB
SLNA Sodium, cmol kg-1 IB
SLNF Mineralization factor, 0 to 1 scale IB
SLNI Total nitrogen, % IB
SLOC Organic carbon, % IB
SLPA Phosphorus isotherm A, mmol kg-1 IB
SLPB Phosphorus iostherm B, mmol l-1 IB
SLPF Photosynthesis factor, 0 to 1 scale IB
SLPO Phosphorus, organic, mg kg-1 IB
SLPT Phosphorus, total, mg kg-1 IB
SLPX Phosphorus, extractable, mg kg-1 IB
SLRF Root growth factor, soil+plant, 0.0 to 1.0 IB
SLRO Runoff curve no. (Soil Conservation Service) IB
SLSI Silt (0.05 to 0.002 mm), % IB
SLSU Sulphur IB
SLTX Soil texture IB
SLU1 Evaporation limit, mm IB
SMHB pH in buffer determination method, code IB
SMKE Potassium determination method, code IB
SMPX Phosphorus determination code IB
SNH4 Ammonium, KCl, g elemental N Mg-1 soil IB
SNO3 Nitrate, KCl, g elemental N Mg-1 soil IB
SRGF Root growth factor, soil only, 0.0 to 1.0 IB
SSAT Upper limit, saturated, cm3 cm-3 IB
SSKS Sat. hydraulic conductivity, macropore, cm h-1 IB