Property Mean Standard error Minimum Maximum Standard deviation Coefficient of variation (%) Skewness Kurtosis Transformation
Full data set (n=372) Full data set (n=372) Full data set (n=372) Full data set (n=372) Full data set (n=372) Full data set (n=372) Full data set (n=372) Full data set (n=372) Full data set (n=372) Full data set (n=372)
pH 5.42 0.05 3.47 8.04 0.91 16.75 0.46 -0.31 log10
EC (dS m-1) 6.91 0.3 0.1 24.11 5.36 77.46 1.21 0.93 Box-Cox
SOC (%) 1.11 0.04 0.02 3.20 0.62 56.00 0.69 0.03 Box-Cox
BD (Mg m-3) 1.44 0.01 0.89 2.17 0.27 18.56 0.4 -0.05 log10
N (kg ha-1) 201.76 4.78 37.63 464.13 86.28 42.76 0.33 -0.64 log10
P (kg ha-1) 20.05 1.02 0.59 83.55 18.64 93.00 1.24 0.53 log10
K (kg ha-1) 975.7 46.24 2.84 3380.16 814.08 83.44 0.94 0.05 Box-Cox
Na (cmol(p+) kg-1) 27.93 1.02 0.04 100.29 18.42 65.97 0.43 -0.17 Box-Cox
Ca (cmol(p+) kg-1) 3.87 0.15 0.09 14.36 2.81 72.57 1.28 1.86 Box-Cox
Mg (cmol(p+) kg-1) 4.37 0.19 0.14 15.81 3.35 76.70 0.93 0.35 Box-Cox
S (ppm) 23.23 0.99 0.63 90.78 17.51 75.36 1.36 1.68 Box-Cox
Fe (ppm) 57.86 3.87 0.65 498.61 68.45 118.30 2.97 13.3 Box-Cox
Mn (ppm) 7.24 0.41 0.06 34.42 7.34 101.36 1.45 1.57 Box-Cox
Cu (ppm) 5.58 0.23 0.03 20.5 4.06 72.73 0.82 0.09 Box-Cox
Zn (ppm) 1.97 0.07 0.01 6.61 1.26 63.93 0.73 0.23 Box-Cox
B (ppm) 9.79 0.55 0.15 44.56 10.02 102.32 1.11 0.30 Box-Cox
Calibration data set (n=260) Calibration data set (n=260) Calibration data set (n=260) Calibration data set (n=260) Calibration data set (n=260) Calibration data set (n=260) Calibration data set (n=260) Calibration data set (n=260) Calibration data set (n=260) Calibration data set (n=260)
pH 5.45 0.07 3.51 8.04 1.01 18.46 -0.26 2.91
EC (dS m-1) 7.08 0.36 0.1 24.10 5.32 75.1 1.15 0.75
SOC (%) 1.11 0.04 0.02 3.20 0.62 56.19 0.68 0.08
BD (Mg m-3) 1.44 0.02 0.89 2.17 0.27 18.83 0.5 0.03
N (kg ha-1) 200.89 5.8 37.63 464.13 87.73 43.67 0.3 -0.67
P (kg ha-1) 20.02 1.27 0.59 83.55 19.35 96.66 1.33 0.73
K (kg ha-1) 990.29 55.84 2.84 3380.16 824.44 83.25 0.92 0.01
Na (cmol(p+) kg-1) 28.51 1.26 0.04 100.29 19.04 66.78 0.43 -0.12
Ca (cmol(p+) kg-1) 3.9 0.18 0.09 14.36 2.84 72.94 1.35 2.2
Mg (cmol(p+) kg-1) 4.3 0.22 0.14 15.62 3.24 75.41 0.9 0.21
S (ppm) 24.36 1.24 0.8 90.78 18.55 76.15 1.38 1.52
Fe (ppm) 61.54 5.05 0.7 498.61 75.63 122.91 2.87 11.57
Mn (ppm) 7.36 0.48 0.06 34.42 7.19 97.59 1.51 2.08
Cu (ppm) 5.75 0.28 0.06 20.50 4.21 73.19 0.82 0.06
Zn (ppm) 2.02 0.09 0.07 6.61 1.31 65.12 0.77 0.19
B (ppm) 9.74 0.63 0.15 41.57 9.75 100.10 1.01 -0.09
Validation data set (n=112) Validation data set (n=112) Validation data set (n=112) Validation data set (n=112) Validation data set (n=112) Validation data set (n=112) Validation data set (n=112) Validation data set (n=112) Validation data set (n=112) Validation data set (n=112)
pH 5.31 0.09 3.47 7.86 0.82 15.44 0.29 -0.23
EC (dS m-1) 6.54 0.54 0.11 24.11 5.44 83.24 1.37 1.5
SOC (%) 1.13 0.07 0.07 2.96 0.63 55.83 0.72 -0.01
BD (Mg m-3) 1.42 0.03 0.89 2.03 0.25 17.98 0.09 -0.43
N (kg ha-1) 203.81 8.44 75.26 388.86 83.15 40.8 0.43 -0.54
P (kg ha-1) 20.1 1.7 1.21 58.12 16.97 84.39 0.92 -0.39
K (kg ha-1) 941.13 82.61 7.32 3330.88 792.34 84.19 1.01 0.2
Na (cmol(p+) kg-1) 26.61 1.7 0.68 75.9 16.95 63.72 0.36 -0.54
Ca (cmol(p+) kg-1) 3.8 0.27 0.16 12.65 2.73 71.97 1.09 0.97
Mg (cmol(p+) kg-1) 4.54 0.39 0.39 15.81 3.63 79.83 0.97 0.52
S (ppm) 20.45 1.5 0.63 58.28 14.34 70.09 0.91 0.1
Fe (ppm) 48.6 4.73 0.65 244.73 44.63 91.84 1.55 3.38
Mn (ppm) 6.96 0.78 0.07 30.5 7.71 110.85 1.36 0.74
Cu (ppm) 5.17 0.38 0.03 15.02 3.65 70.73 0.70 -0.18
Zn (ppm) 1.83 0.12 0.01 4.63 1.09 59.46 0.39 -0.45
B (ppm) 9.91 1.07 0.63 44.56 10.67 107.74 1.3 0.97