Table 3.

Characteristics of soil^a used in the study.

Analysis	Units	Granitic	Methamorphic	Volcanic–allophanic
SOCb	%	9.20 ± 0.1	9.70 ± 0.2	11.40 ± 0.3
N total	%	0.47 ± 0.01	0.40 ± 0.00	0.60 ± 0.03
C:N ratio	Unitless	24.30	23.80	19.10
pH water	Unitless	3.60 ± 0.2	4.50 ± 0.2	5.1 ± 0.1
H2O2	µM g−1 soil	25.6 ± 0.7	28.0 ± 0.9	33.7 ± 0.5
LiPc	µg g−1 soil	1.23 ± 0.9	1.48 ± 0.1	2.31 ± 0.3
MnPd	µg g−1 soil	9.34 ± 1.1	8.12 ± 1.0	2.69 ± 0.0
Alpe	g kg−1 soil	0.70 ± 0.1	5.70 ± 0.02	11.0 ± 1.5
Alof	g kg−1 soil	7 ± 0.02	0.73 ± 0.1	3.10 ± 0.2
Alo + 1/2 Feo	Unitless	1.25	1.85	3.80
Siog	g kg−1 soil	2.20 ± 0.4	1.40 ± 0.1	3.10 ± 0.1
Al Saturation	%	80.00	93.50	22.40
Al exchangeable	cmol( +)kg−1 soil	10.92	18.41	1.19
Mno	g kg−1 soil	0.02 ± 0.01	0.05 ± 0.00	0.09 ± 0.02
Mnd	g kg−1 soil	0.01 ± 0.01	0.01 ± 0.00	0.12 ± 0.03
Mnp	g kg−1 soil	0.001 ± 0.00	0.003 ± 0.00	0.027 ± 0.00
CECeh	cmol( +)kg−1 soil	11.8	19.7	5.3
Clay typei		K	Q, I, K	Allophane-imogollite
Texturej		L	CL	SCL

^aDerived from granitic, metamorphic, and volcanic-allophanic parent materials.

^bSoil organic carbon.

^cLignin peroxidase.

^dManganese peroxidase.

^ePyrophosphate extractable Al.

^fOxalate extractable Al.

^gOxalate extractable Si.

^hEffective cation exchange capacity.

ⁱQ quartz, K kaolinite, I illite.

^jSCL sandy clay loam, CL clay loam, L loam.