Geoscience Reference
In-Depth Information
Table 12.5
Selected properties of soils and soil solutions (Fang et al.
2009
)
Soil
Soil suspension
Taxonomy
a
Mg
2+
(mg/L)
Ca
2+
(mg/L)
Soil
pH
CEC
(cmol/
kg)
SOM
(%)
Zeta
potential
(mv)
Texture % (v/v)
Main mineralogy
pH
DOC
(mg/L)
Ionic
strength
(mM)
Clay
(\2 lm)
Silt
(2-20 lm)
Sand
(20-2,000 lm)
BJ
7.26
12.5
2.96
-18.2
19.4
47.8
32.8
Silt-sandy-
loam
Feldspar, quartz,
vermiculite
7.12
105.3
0.58
3.99
16.53
HLJ
6.39
20.2
6.86
-22.8
13.1
30
56.9
Loam
2:1 Montmorillonite
and illite
6.15
149.4
0.44
7.28
0.21
JX
6.32
13.3
1.82
-25.9
32.3
47.4
20.3
Silt-clay-
loam
Kaolinite, hematite
6.30
80.8
0.15
1.18
2.29
AH
6.67
14.2
2.51
-22.3
32.2
59.1
8.7
Silt-clay-
loam
Kaolinite
6.58
84.7
0.32
1.95
5.59
SX
6.98
16.9
1.14
-20.5
45.6
23.5
30.9
Clay-loam
Quartz, mica,
feldspar, chlorite
6.94
158.3
0.35
4.61
6.88
CD
7.4
18.9
4.46
-17.6
19.8
48
32.2
Silt-loam
Quartz,
montmorillonite,
illite
7.35
75.6
1.40
2.53
19.45
NMG
7.96
24.9
3.81
-17.2
13.3
23.1
63.6
Sandy-
loam
Quartz, mica
8.32
62.8
1.23
2.93
26.92
JS
8.14
7.5
1.1
-17.4
7.8
34.5
57.7
Sandy-
loam
Mica, vermiculite,
kaolinite
8.50
87.6
1.01
1.38
19.52
CQ
7.99
27.3
1.1
-17.8
27.7
41.5
30.8
Clay-loam
Quartz, plagioclase,
illite
8.22
86.4
1.09
2.11
24.64
HN
8.05
18.5
1.28
-16.9
10.7
72.3
17
Silt-loam
Mica, kaolinite,
vermiculite
8.36
60.3
1.36
5.24
22.65
SD
7.5
9.5
1.97
-16.8
22.4
55.6
22
Silt-loam
Vermiculite,
montmorillonite
7.85
57.7
3.08
8.16
45.41
(continued)
