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SW8

Image: SW8 Landscape
Lower slope of gently undulating rise

    Site Code
SW8

Image: SW8 Profile

Sodic, Eutrophic, Brown DERMOSOL
    Location
Alvie
    Landform
Undulating plains and rises
    Geology
Quaternary volcanic ash deposits (Qvs)
    Element
Lower slope
Horizon
Depth (cm)
Description
A1
0-15
Brown (7.5YR4/2) fine sandy clay loam; moderate medium blocky, parting to moderate fine granular structure; firm consistence moderately (moist); pH 6.5; clear boundary to:

B21
15-25
Dark reddish brown (5YR3/3) heavy clay loam (becoming light clay with depth); moderate medium blocky, parting to moderate fine blocky structure; firm consistence moderately (moist); pH 6.6; abrupt boundary to:

B22
25-40
Dark brown (7.5YR3/4) light medium clay; strong medium polyhedral, parting to strong fine polyhedral structure (smooth-faced peds); very firm consistence (dry); pH 6.5; gradual boundary to:

B23
40-50
Dark brown (7.5YR3/2) medium clay; strong coarse blocky, parting to strong medium polyhedral, parting to strong fine polyhedral parting to very coarse polyhedral structure; firm consistence; pH 7.1; gradual boundary to:

B/C
50-70
Dark brown (7.5YR3/2) fine sandy clay loam; strong consistence (dry); contains a light (20%) amount of weathered basalt and volcanic ash; pH 8.0.

C
70 +
Volcanic ash deposits.


Analytical data
Site SW8
Sample
depth
pH
EC
NaCl
Ex Ca
Ex Mg
Ex K
Ex Na
Ex Al
Ex acidity
FC
(-10kPa)
PWP
(-150kPa)
KS
FS
Z
C
Horizon
cm
H2O
CaCl2
dS/m
%
cmolc/kg
cmolc/kg
cmolc/kg
cmolc/kg
mg/kg
cmolc/kg
%
%
%
%
%
%
A1
0-15
6.5
5.5
0.11
N/R
6.4
10
0.68
0.95
N/R
N/R
N/R
17.9
7.0
31.5
14.5
41.0
B21
15-25
6.6
5.6
0.14
N/R
7.3
7.7
0.71
1.3
N/R
N/R
N/R
16.1
7.0
34.8
21.0
30.0
B22
25-40
6.5
5.5
0.09
N/R
7.4
19
0.85
1.1
N/R
N/R
N/R
24.6
6.7
21.8
11.0
53.5
B23
40-50
7.1
5.9
0.08
N/R
8.2
28
0.89
1.1
N/R
N/R
N/R
30.5
6.3
18.4
10.5
57.0
B/C
50-70
8.0
7.2
0.22
N/R
11
26
0.83
1.7
N/R
N/R
N/R
23.7
23.4
36.0
14.0
17.5