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Site SW60

Location: Simpson.Australian Soil Classification: Reticulate, Mesotrophic, Brown CHROMOSOL.
General Landscape Description: A plateau of dissected Tertiary sediments within a gently undulating plain.Site Description: Level to slightly sloping crest.
Geology: Hanson Plain Sand.

Soil Profile Morphology:


Surface Soil

Ah0-25 cmVery dark greyish brown (10YR3/2 moist and dry); loamy sand; apedal; pH 5.1; abrupt and smooth boundary to:

Image: GP60 Profile
Site SW60 profile
A225-40 cmBrownish yellow (10YR6/8); sandy clay loam; massive; pH 6.0; clear and wavy change to:

Subsoil

B21t40-70/90 cmLight olive brown (2.5Y5/3) ped exterior, yellowish brown (10YR5/6) to red (2.5YR5/8) interiors; medium clay; fine to coarse (5-30 mm in size) polyhedral structure; smooth ped faces; very firm consistence; pH 5.8; irregular and clear change to:

B/C70/90+ cmLight grey (2.5Y7/1) ped exterior, with yellowish brown (10YR5/8) to yellowish red (5YR5/6) interiors with conspicuous coarse (50-100 mm in size) reticulate mottling; very coarse to coarse (30-100 mm in size) polyhedral, parting to medium to fine (5-30 mm in size) polyhedral structure; smooth faced peds; pH 5.5.

Key Profile Features:
Key Profile Characteristics:

pH
Salinity Rating
Surface
(A1 horizon)
Slightly Acid
Low
Non-Sodic
None
Subsoil
(B21 horizon)
Moderately Acid
Low
Non-Sodic
None
Deeper subsoil
(at 80+ cm)
Strongly Acid
Low
Non-Sodic
None

Image: GP61 Graphs

Horizon
Horizon Depth
(cm)
pH
(water)
pH
CaCl2
EC
1:5
Exchangeable Cations
Ca
Mg
K
Na
meq/100g
A1
0-25
6.2
5.6
0.15
6.2
0.55
0.51
0.18
A2
25-40
6
5.4
0.08
1.8
0.92
0.24
0.09
B21
40-80
5.8
5.6
0.09
1.7
5
0.45
0.25
B22
80-105
5.5
5.1
0.08
0.82
4.7
0.17
0.33

Horizon
Horizon
Depth
(cm)
Exchangeable Aluminium
mg/kg
Exchangeable
Acidity
meq/100g
Field
Capacity
pF2.5
Wilting Point
pF4.2
Coarse Sand
(0.2-2.0 mm)
Fine Sand
(0.02-0.2 mm)
Silt
(0.002-0.02 mm)
Clay
(<0.002 mm)
A1
0-25
<10
9.3
18
7
29
46
12
8
A2
25-40
<10
4.3
16
9
27
41
8
24
B21
40-80
<10
8
33
24
15
18
6
58
B22
80-105
<10
6.8
32
21
25
16
4
52

Management Considerations:

Subsoil (B) Horizons Profile Described By: Mark Imhof and Richard MacEwan, April 1999.
CC BY 4.0 AU

This page contains material sourced from the Victorian Resources Online (VRO) website, originally published by the State Government of Victoria.

The content is provided under the Creative Commons Attribution 4.0 Australia licence (CC BY 4.0 AU).

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