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SW41

Location: Elingamite

Australian Soil Classification: Bleached-Vertic (& Ferric), Eutrophic, Brown CHROMOSOL
General Landscape Description: Level plain (between basalt barriers).
Site Description: Grazing paddock (dairy).
Mapping Unit: Unit 2 (Maher and Martin, 1987).
Geology: Quaternary - Newer volcanics (basalt).


Image: SW41 Landscape
Site SW41 Landscape



Soil Profile Morphology:

Surface Soil

A10-10 cmVery dark greyish brown (10YR3/2); very fine sandy clay loam; moderate medium blocky structure; weak consistence moist; pH 5.7; clear change to:
    Image: SW41 Profile
    Site SW41 profile
A2110-20 cmYellowish brown (10YR5/8); fine sandy clay loam; firm consistence, dry; contains a few (5%) basalt fragments; pH 5.5; clear change to:

A2220-40 cmBrown (10YR5/3), conspicuously bleached; fine sandy clay loam; firm consistence, dry; contains very many (70%) ferruginous nodules (2-10 mm in size); pH 6.0; sharp and wavy change to:

Subsoil

B2140-60 cmYellowish brown (10YR5/4) with a few bright yellowish brown (10YR5/8) mottles; medium clay; strong medium blocky, parting to strong fine polyhedral structure; weak consistence moist; contains very few (5%) ferruginous nodules (2-10 mm in size); pH 6.0; clear change to:

B2260-80 cmGreyish brown (10YR5/2) with many yellowish brown (10YR5/8) mottles; medium heavy clay; strong lenticular structure; slickensides present; firm consistence moist; pH 5.9; clear change to:

B2380-100 cmGrey (10YR5/1) with common yellowish brown (10YR5/8) mottles; light medium clay; strong lenticular structure; strong consistence, dry; large slickensides present; contains a common (10%) amount of basalt fragments; pH 6.0:

C100+ cmWeathered basalt.


Key Profile Features:


Soil Profile Characteristics:
-

pH
Salinity
Surface Soil
(A1 horizon)
Moderately Acid
Low
Non-Sodic
None
Subsoil
(40-60 cm)
Moderately Acid
Very Low
Sodic
None
Deeper Subsoil
(80-100 cm)
Moderately Acid
Low
Sodic
None


Image: SW41 pH
Image: SW41 Salinity
Image: SW41 Clay
The whole profile is moderately acid throughout.
The profile has a very low to low salinity rating.
The clay content increases sharply at 40 cm depth.


Chemical and Physical Analysis:
Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl2)
EC
dS/m
Organic Carbon
%
Total
Nitrogen
%
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
A1
0-10
5.7
5.0
0.08
4.8
0.26
6.9
0.9
0.2
0.05
6
32
28
19
43
17
A21
10-20
5.5
4.7
0.06
3
1
0.2
0.05
5
37
29
21
34
12
A22
20-40
6.0
5.2
0.06
1.3
1.5
0.1
0.05
21
32
24
20
27
10
B21
40-60
6.0
5.2
0.1
2.8
6.5
0.2
0.8
4
12
9
61
50
31
B22
60-80
5.9
5.3
0.17
3.6
8.5
<0.1
1.7
2
8
9
69
56
37
B23
80-100
6.0
5.3
0.2
4.8
9.9
<0.1
2.1
11
28
12
43
50
28



Profile Described By: Mark Imhof and Austin Brown, August 1998.
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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