Urban	Min.	Max.	Mean	Corr. Coeff.	Sig.^(2tailed)	Rural	Min.	Max.	Mean	Corr. Coeff.	Sig.^(2tailed)
Topsoil 25.4"
pH	3	8	5.7	0.241	0.156		4	8	5.9	0.216^*	0.046
CEC	2.8	5.2	3.7	0.642^**	<0.001		1.9	6	4.3	0.298^*	0.026
TOC	5	66	11.9	0.927^**	<0.001		1	110	12.0	0.598^**	<0.001
MBC	2	475	78.5	0.773^**	<0.001		0	324	92.4	0.789^**	<0.001
MBN	0	18	6.7	0.773^**	<0.001		0	38	10.0	0.789^**	<0.001
Analytes
Al mg kg⁻¹	9260	86,400	37511	0.009	0.959		12,780	117,600	48071	0.165	0.212
As mg kg⁻¹	1	32	11.5	0.460^**	0.007		0	41	9.4	−0.034	0.799
Ba mg kg⁻¹	62	790	274	0.386^*	0.026		126	656	285	−0.242	0.065
Ca mg kg⁻¹	500	14,300	2585	0.420^*	0.015		935	24,795	4450	0.510^**	<0.001
Cd mg kg⁻¹	0	2	0.9	−0.265	0.136		0	3	1.1	−0.174	0.186
Co mg kg⁻¹	2	41	14.1	−0.19	0.29		8	40	19.1	0.02	0.883
Cr mg kg⁻¹	8	99	35.7	−0.134	0.456		11	102	47.6	0.196	0.137
Cu mg kg⁻¹	7	58	17.8	−0.076	0.661		5	96	23.7	0.036	0.786
Fe mg kg⁻¹	6238	50,400	24107	0.125	0.468		7100	68,500	32144	0.171	0.196
K mg kg⁻¹	1646	53,983	12791	−0.14	0.415		3085	27,300	11400	0.094	0.481
Mg mg kg⁻¹	604	8300	2560	0.440^**	0.007		1021	7955	3172	0.363^*	<0.005
Mn mg kg⁻¹	103	8820	1696	−0.097	0.572		219	7655	1775	−0.318	0.014
Mo mg kg⁻¹	1	9	3.9	0.049	0.777		0	10	4.3	−0.334	0.01
Na mg kg⁻¹	306	4200	1968	−0.069	0.687		566	7410	2862	−0.24	0.067
Ni mg kg⁻¹	7	44	23.0	−0.068	0.693		8	67	25.6	0.21	0.111
P mg kg⁻¹	130	911	436.7	0.22	0.198		195	1218	523.5	−0.088	0.506
Pb mg kg⁻¹	2	85	28.6	−0.088	0.609		0	122	27.3	0.167	0.205
S mg kg⁻¹	15	800	178.8	0.653^**	<0.001		10	827	204.9	0.458^**	<0.001
Se mg kg⁻¹	0	37	16.5	−0.002	0.992		0	43	18.8	0.284^*	0.029
Sr mg kg⁻¹	12	111	33.8	−0.079	0.646		20	88	41.1	0.294^*	0.024
Ti mg kg⁻¹	408	4200	1606	0.147	0.393		661	5000	1731.8	−0.041	0.759
Zn mg kg⁻¹	23	120	60.2	0.242	0.155		33	325	81.8	0.227	0.084
C mg kg⁻¹	305	3565	1237	0.814^**	<0.001		495	3010	1171.3	0.371^*	0.004
N mg kg⁻¹	< 50	150	66.7	0.823^**	<0.001		< 50	150	56.7	0.041	0.758