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Mobile Potassium (Kalium)
Date of mapping: 17-10-20Lab. method: Machigin (GOST 26205-91)Unit: mg/100gDate of sampling: 2015-2019Mapping method: Quantile regression forestMean error: -0.15RMSE:... -
Available Nitrogen
Date of mapping: 17-10-20Lab. method: Tyurin and KononovaUnit: mg/100gDate of sampling: 2015-2019Mapping method: Universal kriging + IDW of residualsMean error: 0RMSE:... -
Exchangeable Sodium Percent
Date of mapping: 26-10-20Lab. method: Na(exch)/CEC*100%Unit: %Date of sampling: 1953-1967Mapping method: Quantile regression forestMean error: -0.04RMSE: 2.03Uncertainty map:... -
Soil electric conductivity
Date of mapping: 23-10-20Lab. method: calculated from total saltsUnit: dS/mDate of sampling: 1953-1967Mapping method: Quantile regression forestMean error: 0RMSE:... -
Soil organic carbon stock, 0-30cm
Date of mapping: 23-10-20Lab. method: Wet oxidation (Tyurin)Unit: t/haDate of sampling: 2015-2019Mapping method: CubistMean error: 0.13RMSE: 15.27Uncertainty map: half-width of...