Table 1 Basic statistics for soil properties at a depth of 0–20 cm in the study region.

Properties	N	Mean	Minimum	Maximum	SD	CV(%)	Skewness	Kurtosis
K	216	2.597	0.010	11.54	2.009	77.3	1.951	4.826
sand	691	74.0	45.0	95.0	9.3	12.6	0.094	– 0.130
silt	691	24.5	4.0	54.0	9.2	37.5	– 0.074	– 0.142
clay	691	1.52	0.0	6.0	0.905	59.4	1.537	4.183
pH_H2O	691	5.27	4.04	7.2	0.728	13.8	0.680	– 0.158
OC	691	0.862	0.002	3.8	0.427	49.5	0.904	3.684
CEC	691	9.675	3.050	21.2	3.109	32.1	0.654	0.956
WC_grav	228	0.067	0.009	0.287	0.045	67.4	1.626	3.586
WC_TDR	228	0.071	0.001	0.232	0.038	53.7	1.330	2.218
BD	228	1.413	0.998	1.681	0.125	8.9	– 0.540	0.030
FI	228	0.425	0.308	0.525	0.038	8.9	0.000	– 0.030
Transformed data with a square root (sqr) and natural logarithm (ln)
sqr(K)	216	1.507	0.100	3.400	0.573	38.0	0.640	1.080
sqr(clay)	691	1.166	0.000	2.450	0.403	34.6	– 0.610	2.570
ln(pHH₂O)	691	1.653	1.400	1.980	0.134	8.1	0.410	– 0.510
sqr(OC)	691	0.895	0.040	1.940	0.248	27.7	– 0.520	1.490
sqr(CEC)	691	3.070	1.750	4.600	0.499	16.3	0.100	0.300
ln(WC_grav)	228	– 2.914	– 4.710	– 1.250	0.667	22.9	– 0.200	– 0.250
sqr(WC_TDR)	228	0.258	0.032	0.482	0.068	26.5	0.450	0.680

N—number of samples, SD—standard deviation, CV—coefficient of variation, K—saturated hydraulic conductivity (m day⁻¹), sand—(2–0.05 mm), silt—(0.05–0.002 mm), clay < 0.002 mm, pH_H2O—acidity (−), OC—organic carbon (%), CEC—cation exchange capacity (cmol kg⁻¹), WC_grav—gravimetric water content (m³ m⁻³), WC_TDR—water content in time-domain reflectometry (m³ m⁻³), BD—bulk density (Mg m⁻³), FI—porosity (m³ m⁻³).

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