. 2019 Dec 20;9:19520. doi: 10.1038/s41598-019-55914-0

Table 2.

Physicochemical properties of the three soils used in this pot experiment.

Soils	^aEC dS m⁻¹	pH	CaCO₃ %	Clay %	Sand %	Organic C %	Exchangeable cations (cmol_c kg⁻¹)
Soils	^aEC dS m⁻¹	pH	CaCO₃ %	Clay %	Sand %	Organic C %	^bECEC	Ca	Mg	Na	K
Kangaroo Island	0.07	5.5	<0.5	5	94	1.6	2.71	2.09	0.62	<0.1	<0.2
Mallala	0.13	8.5	4.7	11	47	1.6	30.8	26.2	2.58	0.16	1.85
Black Point	0.07	8.3	<0.2	18	73	0.4	17.9	14.2	2.54	0.17	0.97

^aElectrical conductivity (EC) of soils.

^bEffective cation exchange capacity (ECEC) of soils.