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LWA6

Location: CowangieAustralian Soil Classification: Epibasic, Pedal, Supracalcic, CALCAROSOL
General Landscape Description: Upper SlopeSite Description: Landcare Delivery Site
Geology: Quaternary aeolian deposits (Woorinen formation)

LWA6 landscape
LWA6 Landscape

Soil Profile Morphology:

Surface Soil

A10-12 cmBrown (7.5YR4/4); loamy sand pH 7.6:
LWA6 profile
LWA6 Profile
A212-20 cmYellowish red (5YR4/6); loamy sand; firm consistence (dry); wavy change to; pH 8.1:
Subsoil

B1 20-45 cm Yellowish red (5YR5/8); sandy loam (clayey); weak to moderate coarse (20-50 mm) subangular blocky structure; very firm consistence (dry); pH 8.7:
B21k45-80 cmYellowish red (5YR5/8); sandy clay loam; moderate coarse to very coarse (20 - <50 mm) blocky structure; very firm consistence (dry); very many (50%) fine earth carbonates and semi-hard calcareous nodules; pH 9.5:
B22 80-100 cmYellowish red (5YR5/8) with brownish yellow (10YR6/6) mottles; sandy loam(clayey); moderate coarse to medium (10-50 mm) blocky structure; firm to very firm consistence (dry); many (20%) hard and semi-hard calcareous nodules and fine-earth carbonates; pH 9.8:
B23k100-120 cmReddish yellow (7.5YR6/6) with red (2.5YR5/8); sandy clay loam; moderate coarse to medium (10-50 mm) subangular blocky structure; very many (50%) hard and semi-hard calcareous nodules and fine-earth carbonates; pH9.9:
B24120+ cmReddish yellow (7.5YR6/6) with yellowish red (5YR5/6) mottles; sandy clay loam; medium moderate to coarse (10-50 mm) subangular blocky structure.

Key Profile Features: Soil Profile Characteristics:
pH
Salinity Rating
Surface
(Ap horizon)
Slightly alkaline
Low
Non-sodic
None
Subsoil
(B21 horizon)
Very slightly alkaline
Low
Sodic
Moderate 1
Deeper subsoil
(at cm)
Extremely alkaline
Medium
Strongly sodic
Strong - Complete

LWA6 graphs

Horizon
Horizon Depth
pH (water)
pH CaCl2
EC
1:5
Org. Carbon
mg/kg
Exchangeable Cations
Ca
Mg
K
Na
Meq/100g
A1
0-12
7.6
7.3
0.2.0
1.1
6.5
1.5
1.2
0.2
A2
12-20
8.1
7.7
0.11
4.3
1.2
0.6
0.1
B1
20-45
8.7
8.2
0.13
12.0
3.6
1.0
0.2
B21k
45-80
9.5
8.7
0.26
3.4
5.3
1.1
2.0
B22
80-100
9.8
9.0
0.36
1.8
3.6
1.0
3.3
B23k
100-120
9.9
8.9
0.48
B24
120+
9.9
9.0
0.48
1.5
3.7
1.2
4.8

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)
%
A1
0-12
0.9
5.8
3.4
57
30
7
5
A2
12-20
0.6
4.9
2.2
55
36
3
4
B1
20-45
2.1
15.2
6.6
44
33
9
11
B21k
45-80
8.6
19.9
9.3
35
33
3
21
B22
80-100
10.0
18.1
7.5
B23k
100-120
11.0
B24
120+


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