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SFS8

Location: Minhamite

Australian Soil Classification: Vertic (& Ferric), Mottled-Subnatric, Black SODOSOL

Great Soil Group: Solodic

General Landscape Description: Victorian volcanic plains.
Site Description: Low lying, gently sloping flat to convex.
Land Use: Canola cropping stubble. Raised bed with rounded bed edges.
Geology: Tertiary (Hanson Plain Sand / Moorabool Viaduct Formation). 

Image: SFS8 landscape
SFS8 Landscape

Soil Profile Morphology:

Surface Soil
Image: SFS8 profile

SFS8 Profile
Ap0-20 cmWeak surface crust with fine buckshot (firm consistence); dark greyish brown (10YR4/2); loam; apedal to very weakly pedal; pH 5.5; abrupt change to:
A2c20-40/70 cmLight olive brown (2.5Y5/4) conspicuously bleached (10YR7/1 dry); fine gravel; pH 5.5; smooth and abrupt change to:

NOTE: Insufficient fine earth to do texture.
NOTE: Deeper A2 - fine sandy loam; non gravelly with very minor buckshot.
Subsoil
B2140/70-80 cmVery dark greyish brown (10YR3/2) with fine yellow and red (10YR8/8) mottles; medium heavy clay (clay is tough and dense); very fine polyhedral structure; very minor buckshot; fine roots throughout; pH 6.8; diffuse change to:
B2280+ cmOlive brown (2.5Y4/4) with light olive brown (2.5Y5/6) mottles; medium heavy clay (clay is tough and dense); fine polyhedral and very fine prismatic structure; clay and organic matter coatings on ped faces; small (110 mm) slickensides at base of pit; fine roots throughout; pH 7.7.

Key Profile Features:
Soil Profile Characteristics:


pH
Salinity Rating
Surface
(A1 horizon)
Strongly Acid
Medium-High
Non-Sodic
None
Subsoil
(B21 horizon)
Slightly Acid
Very Low
Sodic
None1
Deeper Subsoil
(at 80+ cm)
Slightly Alkaline
Low
Strongly Sodic
None1
1 Strong - complete dispersion after remoulding

Image: SFS 8 graphs


Chemical and Physical Analysis:
Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl2)
EC
dS/m
NaCl
%

Organic Carbon
%
Total
Nitrogen
%
Exchangeable Aluminium
ppm
Exchangeable Acididty
meq/100g
Exchangeable Cations
Coarse Sand
(0.2-2.0 mm)
%
Fine Sand
(0.02-0.2 mm)
%
Silt
(0.002-0.02 mm)
%
Clay
(<0.002 mm)
%
Field Capacity
% w/w
Wilting Point
% w/w
Ca
Mg
K
Na
meq/100g
Ap
0-20
5.5
5
0.32
0.02
3.1
0.3
<10
11
6
1.3
0.2
<0.1
5
40
34
17
36.3
12.7
A2
20-40/70
5.5
4.5
0.05
22
6.3
1.3
1.4
0.07
0.23
5
46
33
15
27.5
5.8
B21
40/70-80
6.8
5.5
0.12
12
4.1
12
0.4
2.9
3
12
8
75
49.1
29.9
B22
80+
7.7
6.6
0.23
8.1
4.8
13
0.37
4.3
2
13
7
76
52.6
30.8


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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