Data Column Description
ID - Data ID number
Season - Sampling Data season (Aman, Aus or Boro)
Group - Sampling group.  Samples usually collected 5 at a time.

Grain Chemical Analisis:
GrainAs - Rice grain concentration of arsenic (mg/kg)

Soil Chemical Analysis:
SoilpH - Associated soil pH.
PercentSand - Percentage sand
PercentSilt - Percentage sily
PercentClay - Percentage clay
SoilTotalPhosphorus - Total Phosphorus (mg/kg)
SoilTotalPotassium - Total Potassium (mg/kg)
SoilTotalMagnesium - Total Magnesium (mg/kg)
SoilTotalCalcium - Total Calcium (mg/kg)
SoilTotalSodium - Total Sodium (mg/kg)
SoilTotalCopper - Total Copper (mg/kg)
SoilTotalManganese - Total Manganese (mg/kg)
SoilTotalZinc - Total Zinc (mg/kg)
SoilTotalIron - Total Iron (mg/kg)
SoilTotalLead - Total Lead (mg/kg)
SoilTotalArsenic - Total Arsenic (mg/kg)
SoilTotalCobalt - Total Cobalt (mg/kg)
SoilTotalCadmium - Total Cadmium (mg/kg)
SoilTotalChromium - Total Chromium (mg/kg)
SoilTotalMolybdenum - Total Molybdenum (mg/kg)
SoilTotalAluminium - Total Aluminium (mg/kg)
SoilTexturalClass - Soil texture class
SoilOrganicCarbon - Organic Carbon (mg/kg)
SoilOrganicMatter - Organic Matter (mg/kg)

SRDI/BARC derived data at sample locations (https://srdi.gov.bd):
BoronNutrientClass: Very Low, Low, Moderate, High, Very High
ClayMineralogy: As defined:
DrainageClass: 1-7
FloodingLandType: Low, Medium or High
FloodingRisk: Low, Moderate, High
PhosphorusNutrientClass: Very Low, Low, Moderate, High, Very High
Physiography: As defined.
PotassiumNutrientClass: Very Low, Low, Moderate, High, Very High
PreKharifDrought: No, Slight, Moderate, Severe
KharifDrought: No, Slight, Moderate, Severe
RabiDrought: No, Slight, Moderate, Severe
SRDITextureClass: As defined:
SulphurNutrientClass: Very Low, Low, Moderate, High, Very High
ZincNutrientClass: Very Low, Low, Moderate, High, Very High

Rainfall:
Total - Total Rainfall (mm)
Stage3DaysRain - Rainfall during growth stage 3 (mm)
Stage4DaysRain - Rainfall during growth stage 4 (mm)

BGS Tubewell survey:
WaterAsThresh20 - Percentage of walls above threshold

Farmer survey answers:
RiceCategory - Rice by category: traditional, modern, high yield.
FarmerExperience - Years farming
LandTopography - Low, Medium, High
IndustryNearby - Industry Type if nearby
DistanceIndustry - Distance to industry
SoilGoodFertility - True, False
SoilPoorFertility - True, False
SoilDroughtProne - True, False
SoilWaterLogging - True, False
SoilAcidicity - True, False
SoilSalinity - True, False
UsualFloodDepthMonsoon - Depth of flooding during monsoon (cm)
NoFlooding - True, False
NotSubmerged - True, False
FloodingSowing - True, False
FloodingTransplant - True, False
FloodingTillering - True, False
FloodingPanicleInitiation - True, False
FloodingFlowering - True, False
DaysFlooded - Number of days that paddy is flooded
MainIrrigationSource - Origin of irrigation.
FieldDrained -  True, False
RiceVariety - Variety of rice grain
SeedOrigin - Origin of rice seeds
PreviousSeason - Crop during previous season
PercRiceHouseConsump - Percentage of rice used for household consumption
RiceDriedRoad - Rice dried on road.