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WW42

Location: Kalkee

Australian Soil Classification: Epicalcareous-Endohypersodic, Self-Mulching Grey VERTOSOL

General Landscape Description: Level plain.
Site Description: Pasture paddock.
Geology: Neogene (Tertiary).


Soil Profile Morphology:

Surface Soil

A10-10 cm Dark greyish brown (10YR4/2); light clay; weak coarse sub-angular blocky structure; weak consistence moist and dry; contains a few soft carbonate segregations; very highly calcareous; pH 8.2; sharp change to:


Subsoil

B21k10-40 cmDark grey (10YR4/1); medium clay; strong sub-angular blocky structure; contains common very coarse soft carbonate segregations; very highly calcareous; pH 8.8; gradual change to:

B3140-65 cmBrown (10YR5/3); medium clay; strong sub-angular blocky structure; contains few soft carbonate segregations; very highly calcareous; pH 9.4; gradual change to:

B3265-90 cmBrown (7.5YR5/4); medium clay; strong sub-angular blocky structure; contains very few soft carbonate segregations; very highly calcareous; pH 9.6; gradual change to:

B33 90-120 cmLight yellowish brown (10YR6/4); light clay; weak consistence moist; contains few soft carbonate segregations; very highly calcareous; pH 9.7.

Soil Profile Characteristics:

pH
Salinity Rating
Surface
(A1 horizon)
Moderately Alkaline
Low-Medium
Non-Sodic
Subsoil
(B21 horizon)
Strongly Alkaline
Low-Medium
Sodic
Deeper Subsoil
(at 90-120 cm)
Extremely Alkaline
Very High
Extremely Sodic

Image: WW42 graphs
The surface horizon is moderately alkaline. The subsoil is strongly alkaline becoming extremely alkaline at depth.The salinity rating in the surface and upper subsoil is low-medium. The deeper subsoil has a very high salinity rating.The surface soil is non-sodic. The upper subsoil is sodic. The deeper subsoil is extremely sodic.

Chemical and Physical Analysis:

Horizon
Horizon
Depth
(cm)
pH
(water)
pH
(CaCl2)
EC
dS/m
NaCl
%



Exchangeable Cations
Ca
Mg
K
Na
Meq/100g
A1
0-10
8.2
7.8
0.29
0.009
24
6.3
2
1.3
B21k
10-40
8.8
8.1
0.4
0.014
16
7.3
1.3
4
B31
40-65
9.4
8.6
0.61
0.051
12
13
1.5
8.7
B32
65-90
9.6
8.9
0.87
0.100
5.3
15
1.6
12
B33
90-120
9.7
8.9
1
0.121
4.4
13
1.6
13

Profile Described By: John Martin (August 1971).
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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