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LWA2

Location: ChinkapookAustralian Soil Classification: Endohypersodic, Pedal, Hypercalcic CALCAROSOL
General Landscape Description: Swale between east-west duneSite Description: Landcare selivery site
Geology: Quaternary Aeolian deposits (Woorinen Formation)

LWA1 Landscape
LWA2 Landscape

Soil Profile Morphology:

Surface Soil

A110-10 cmDark brown (7.5YR3/3); sandy loam; weak to moderate medium (10 – 20 mm) blocky structure; very weak consistence (dry); visible effervescence; pH 8.5; clear change to:
LWA2 profile
LWA2 Profile
A1210-16 cmDark brown (7.5YR3/3); sandy loam; very weak to weak consistence (dry); pH 8.5; abrupt change to:
Subsoil
B2116-35 cmBrown (7.5YR4/4); sandy clay loam; weak very coarse (>50 mm) blocky structure; weak to firm consistence (dry); few (2%) carbonate nodules (5-15 mm); pH 8.6; clear change to:
B2235-50 cmStrong brown (7.5YR5/6); sandy clay; weak consistence (dry) many (20%) calcareous nodules (5-20 mm) and fine-earth carbonates; pH 8.8; gradual change to:
B23k 50-70 cmYellowish red (5YR5/8); sandy clay; moderate coarse (20-50 mm) blocky structure; very many (40%) fine-earth carbonates and semi-hard calcareous nodules (5-20 mm); pH 9.3; gradual change to:
B24k 70-110 cmRed (2.5YR5/8); sandy clay; moderate to strong medium (20-50 mm) subangular blocky structure; very many (50%) fine-earth carbonates and carbonate/silica nodules (5-40 mm); pH 9.7; gradual change to:
B25 110+ cmRed (2.5YR5/8); light medium clay (sandy); moderate medium (20-50 mm) subangular blocky structure; fine dark stains; pH 9.7.

Key Profile Features: Soil Profile Characteristics:
pH
Salinity Rating
Surface
(Ap horizon)
Moderately alkaline
Low
Non-sodic
None
Subsoil
(B21 horizon)
Strongly alkaline
Low
Non-sodic
None
Deeper subsoil
(at 110+ cm)
Extremely alkaline
High
Strongly sodic
Strong

LWA2 graphs

Horizon
Horizon Depth
pH (water)
pH CaCl2
EC
1:5
Org. Carbon
mg/kg
Exchangeable Cations
Ca
Mg
K
Na
Meq/100g
A11
0-10
8.5
8.0
0.11
0.61
18
1.4
1.4
0.1
A12
10-16
8.5
8.0
0.12
0.53
20
1.6
1.4
0.1
B21
16-35
8.6
8.1
0.15
24
2.8
1.4
0.2
B22
35-50
8.8
8.1
0.15
23
5.3
0.7
0.6
B23K
50-70
9.3
8.4
0.39
4
5.2
0.8
2.3
B24K
70-110
9.7
8.7
0.73
2
4.4
1.1
4.9
B25
110+
9.7
8.9
0.86
1
4.6
1.4
6.4

Horizon
Horizon Depth
Boron
mg/kg
Field
pF2.5
g/100g
Wilting Point
pF4.2
g/100g
Coarse Sand
(0.2-2.0mm)
%
Fine Sand
(0.02-0.2mm)
%
Silt
(0.002-0.02mm)
%
Clay
(<0.002mm)
%
A11
0-10
1.2
11.1
3.6
54
30
3
13
A12
10-16
1.4
13.1
3.7
54
27
5
13
B21
16-35
1.3
24.2
8.8
36
25
8
18
B22
35-50
1.6
25.8
9.8
30
21
5
23
B23K
50-70
4.6
24.1
9.6
29
19
4
23
B24K
70-110
18.0
23.2
10.6
B25
110+
22.0

Note:
CC BY 4.0 AU

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