Table 4 |
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|
Chemical and microbiological properties of the forest and arable soils |
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|
Site |
Soil layer |
Statistics |
pH (H2O) |
Total, % |
K2SO4 extraction, mg kg-1 |
MB* |
|||||
|
|
|||||||||||
|
C |
N |
C |
N |
NH4-N |
NO3-N |
C |
N |
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|
|
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|
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 |
||
|
|
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|
STD – standard deviation, 5 replications; * – C and N immobilized in microbial biomass (MB), mg kg-1; nd-not determined |
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|
Kurganova et al. Carbon Balance and Management 2007 2:2 doi:10.1186/1750-0680-2-2 |
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