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WCSS5

Location: Longerenong


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

Soil Map Unit: Kalkee Clay.

General Landscape Description: Level plain.
Site Description: Long-term trial site for dryland cropping.
Geology: Quaternary alluvial and aeolian deposits / lacustrine.
Native Vegetation: Sparse stands of remnant Buloke.

Image: WCSS5 landscape
WWPS5 Landscape

Soil Profile Morphology:

Surface Soil
A10-12 cmDark grey (10YR4/1); self-mulching surface condition; light medium clay; moderately calcareous; pH 8.3; clear change to: ;

Image: WCSS5profile
WWPS5 Profile
A212-25 cmDark grey (10YR4/1) bleached (10YR6/1 dry); light clay; firm to very firm consistence dry; pH 8.7; clear change to:
Subsoil

B2125-45 cmVery dark grey (10YR3/1); medium heavy clay; strong medium to weak sub-angular blocky structure; strong consistence dry; slightly calcareous; pH 8.6; gradual change to:
B22

45-100 cmVery dark grey (10YR3/1); medium clay; strong very coarse prismatic, parting to strong coarse to medium angular blocky structure; pH 8.7; diffuse change to:


B23100-150 cmPale brown (10YR6/3) with very dark greyish brown (10YR3/2); medium heavy clay; strong medium to fine lenticular structure; few (2-5%) soft and semi hard calcareous segregations; slickensides present; pH 8.8.


Soil Profile Characteristics:
-

pH
Salinity
Surface
(A1 horizon)
Moderately Alkaline
Low
None1
Subsoil
(B21 horizon)
Strongly Alkaline
Low
Moderate2
Deeper Subsoil
(at 45-100 cm)
Strongly Alkaline
Low
Moderate3
1 Slight dispersion after remoulding. 2 Strong dispersion after remoulding. 3 Complete dispersion after remoulding.

Image: WCSS5 graphs
The surface is moderately alkaline. The subsoil is strongly alkaline.The salinity rating is low to 1 metre, then increases with depth.Boron content increases after 60 cm depth.
    The clay content is high throughout the profile.

Chemical and Physical Analysis:

Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl2)
EC
dS/m
Sodium Chloride
%
Organic Carbon
%
Total Nitrogen
%
Boron
mg/kg
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
0-12
8.3
7.8
0.24
1.2
0.088
2.7
42.43
22.16
10
19
17
44
A2
12-25
8.7
7.9
0.15
0.7
<0.05
1.4
27.29
11.99
23
31
13
30
B21
25-45
8.6
7.6
0.15
0.71
1.1
41.41
19.33
18
21
18
44
B22
45-100
8.7
7.6
0.21
0.93
1.8
49.66
24.73
13
16
13
51
B23
100-150
8.8
8.4
1.7
0.274
27
61.49
29.98
8
16
10
60

Profile Described By: Mark Imhof and David Rees (March 2010).
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).

This material is presented in an archived form and is no longer maintained or updated. It is provided for general information only and should not be relied upon as current advice.

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