Table 2 Out of bag accuracy of 100m predictive soil mapping.

From: 100 m soil landscape grids of Canada

Soil properties

R2

RMSE

SOC at 0–5 cm depth (%)

0.82

3.44

SOC at 5–15 cm depth (%)

0.82

3.36

SOC at 15–30 cm depth (%)

0.82

3.40

BD at 0–5 cm depth (g/cm3)

0.73

0.13

BD at 5–15 cm depth (g/cm3)

0.72

0.13

BD at 15–30 cm depth (g/cm3)

0.70

0.14

Sand at 0–5 cm depth (%)

0.75

10.31

Sand at 5–15 cm depth (%)

0.76

10.03

Sand at 15–30 cm depth (%)

0.76

10.81

Clay at 0–5 cm depth (%)

0.72

6.41

Clay at 5–15 cm depth (%)

0.71

6.74

Clay at 15–30 cm depth (%)

0.73

7.36

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