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SFS6

Location: Cardigan

Australian Soil Classification: Vertic (& Ferric), Mottled-Mesonatric, Yellow SODOSOL

General Landscape Description: Plain within the Victorian volcanic plains.
Site Description: Slope with gilgai microrelief. Profile description midway down gilgai hollow.
Land Use: Raised bed cropping.
Soil Type: Similar to SFS5a & SFS5b.


    Image: SFS 6 profile
Image: SFS6 profile gilgai
SFS6 Profile. Measuring tape shows the gilgai across the profile face over a 3 m width, rather than the depth of the profile.
    SFS6 Landscape. Note: the variability due to gilgai is easy to view along this drainage line.

Soil Profile Morphology:

Surface SoilImage: SFS 6 soil surface
SFS6 Soil surface.
Ap0 – 15 cmSurface is weak and powdery with a surface seal, >10 % of surface has exposed coarse buckshot where <10 % is magnetic; brown (10YR4/3); fine sandy clay loam; apedal; firm consistence dry; pH 5.7; clear change to:
A2c15 – 40/45 cmPale brown (10YR6/3) conspicuously bleached (10YR7/3 dry); light fine sandy clay loam; apedal; abundant (~50 %) medium (5-25 mm) buckshot gravel that is hard but can be broken with some finger force having black manganiferous centres becoming cemented at base of horizon; pH 5.4; clear change to:
Subsoil
B1c40/45 – 60 cmFine sandy clay loam; abundant (~80 %) medium to coarse (10-40 mm) manganiferous buckshot/ironstone gravel; pH 6.7; abrupt change to:
B21tg60 – 120+ cmLight yellowish brown (2.5Y6/4) with prominent small linear dark red (2.5YR4/8) mottles with a brownish yellow (10YR6/8) fringe; light medium clay; fine (5-10 mm) polyhedral structure; pH 7.2.



Key Profile Features:
Soil Profile Characteristics:


pH
Salinity Rating
Surface
(A1 horizon)
Moderately Acid
Low
Non-Sodic
None
Subsoil
(B21 horizon higher)
Neutral
Very Low
Sodic
None
Deeper Subsoil
(B21 horizon lower)
Slightly Alkaline
Low
Sodic
None

Image: SFS6 graphs


Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl2)
EC
dS/m
Organic Carbon
%
Nitrogen
%
Exchangeable Cations
Ca
Mg
K
Na
meq/100g
Ap
0-15
5.7
4.9
0.09
1.2
0.11
3.1
0.81
0.38
0.14
A2
15-40/45
5.4
4.6
<0.05
1.9
0.51
0.17
0.08
B1
40/45-60
6.7
5.7
0.05
2.1
2.6
0.17
0.51
B21 (Higher)
60-90
7.0
6.0
0.1
3.6
8.2
0.29
1.7
B21 (Lower)
90-120
7.2
6.3
0.17
3.9
10
0.35
2.6

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)
Ap
0-15
<10
6.9
29
7.0
4
46
25
19
A2
15-40/45
18
6.5
27.9
18.5
8
46
25
16
B1
40/45-60
6.3
27.3
9.9
11
39
20
27
B21 (Higher)
60-90
9.4
39.0
22.6
6
8
15
63
B21 (Lower)
90-120
9.4
46.0
25.1
3
16
12
66

Management Considerations:

Whole Profile Profile Described By: Richard MacEwan (May 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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