Geoscience Reference
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Table 20.1 Chemical and physical properties of soils with a salic horizon, SSL database
Horizon
Db (g/cm
3
)
Depth (cm)
Clay (%)
Silt (%)
pH
SOC (%)
CEC (cmol(+)/kg)
SAR
EC (dS/m)
Carbonate
Gypsum
Pedon no. 40A0962, Saltair series, Typic Aquisalids, Davis, California
Az1
0-3
20.0
60.2
nd
7.7
2.74
14.4
291
219
21
nd
Az2
3-20
28.8
60.2
nd
8.0
1.49
22.6
198
129
22
nd
Az3
20-41
34.8
57.3
nd
7.9
1.61
26.6
139
121
27
nd
Az4
41-58
32.7
60.6
1.33
8.0
0.64
21.7
133
121
28
nd
Bz1
58-84
27.6
63.8
1.63
8.1
0.30
16.2
130
97
30
nd
Bz2
213-272
20.5
63.9
1.56
8.2
0.29
12.0
145
123
22
nd
Bz3
107-152
29.6
64.1
1.60
8.2
0.28
16.3
136
101
nd
nd
Pedon no. 83)0867, Wendane series, Aquandic Halaquepts, Lander, Nevada
A1
0-8
21.5
61.6
nd
8.5
1.28
21.9
457
57.9
8
nd
A2
8-18
26.7
59.2
1.40
8.6
0.67
27.5
197
21.6
10
nd
Bk
18-38
19.4
65.1
1.14
8.7
0.49
26.4
144
13.0
12
nd
Bkq1
38-74
13.4
67.8
1.31
8.5
0.22
20.4
98
10.4
10
nd
Bkq2
74-91
16.1
78.9
nd
8.6
0.24
27.2
53
2.9
12
nd
C
91-104
9.0
72.1
nd
8.9
0.19
10.7
17
1.5
11
nd
Akqb
104-130
40.4
53.7
nd
8.1
0.29
39.5
17
0.96
5
nd
Bkb
130-152
18.3
65.1
nd
8.2
0.18
23.6
9
0.94
7
nd
Pedon no. 89P0541, land series, Typic Aquisalids, Clark, Nevada
Anz1
0-1
13.9
39.9
nd
7.4
0.82
5.7
378
50.6
5
15
Anz2
1-7
18.4
44.0
1.33
8.0
0.50
9.8
143
28.1
8
13
Bnz1
7-15
36.9
51.1
nd
8.2
0.43
16.5
136
27
16
3
Bnz2
15-23
26.2
56.4
nd
8.3
0.37
15.8
120
23.5
16
3
Bz1
23-30
23.5
73.2
1.28
8.3
0.42
14.1
122
24.7
22
2
Bz2
30-37
19.4
74.4
nd
8.2
0.53
11.0
93
nd
27
5
C1
37-58
16.5
76.8
1.38
8.4
0.32
12.5
74
16.0
19
4
C2
58-95
5.0
54.9
1.46
8.5
0.15
7.1
42
9.0
16
2
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