|
Site
|
Soil layer
|
Statistics
|
pH (H2O)
|
Total, %
|
K2SO4 extraction, mg kg-1
|
MB*
|
|---|
| | | | |
C
|
N
|
C
|
N
|
NH4-N
|
NO3-N
|
C
|
N
|
|
FOREST
|
Litter, 2–3 cm
|
mean
|
5.6
|
29.3
|
1.0
|
898
|
90
|
32.8
|
4.7
|
nd
|
nd
|
| | |
STD
|
0.3
|
5.5
|
0.2
|
436
|
40
|
21.7
|
3.5
|
nd
|
nd
|
| |
Humus layer, 0–4 cm
|
mean
|
4.3
|
3.4
|
0.2
|
32.6
|
3.1
|
0.5
|
0.2
|
84
|
9.2
|
| | |
STD
|
0.1
|
1.2
|
0.1
|
17
|
1.4
|
0.2
|
0.2
|
43
|
7.9
|
| |
Mineral layer, 4–8 cm
|
mean
|
4.3
|
1.1
|
0.1
|
22
|
1.2
|
0.2
|
0.0
|
9.8
|
1.3
|
| | |
STD
|
0.1
|
0.2
|
0.0
|
4
|
0.3
|
0.1
|
0.1
|
3.9
|
0.4
|
|
ARABLE
|
0–4 cm
|
mean
|
7.9
|
1.2
|
0.1
|
5
|
1.1
|
0.0
|
0.7
|
50
|
6.3
|
| | |
STD
|
0.1
|
0.1
|
0.0
|
1
|
0.2
|
0.0
|
0.2
|
4.7
|
0.7
|
| |
4–8 cm
|
mean
|
7.9
|
1.2
|
0.1
|
6
|
1.7
|
0.0
|
1.2
|
71
|
8.0
|
| | |
STD
|
0.1
|
0.1
|
0.0
|
1
|
0.3
|
0.0
|
0.3
|
14
|
0.7
|
- STD – standard deviation, 5 replications; * – C and N immobilized in microbial biomass (MB), mg kg-1; nd-not determined
