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EGW120

Location: Cann River Flats

Australian Soil Classification: Melanic, Sodic, Eutrophic, Grey DERMOSOL

Map Unit: River flats (rf)
Previous Site Name: EG120

General Landscape Description: Alluvial plain
Site Description: Level plain >1% slope
Land Use: Grazing
Native Vegetation: Riparian forest
Geology: Recent sediments

Soils and landforms of Far East Gippsland - River flats EG120 landscape>
EGW120 Landscape

Soil Profile Morphology:

Surface soil

A11

0 – 30 cm

Very dark grey (10YR3/1); clay loam, high in organic matter; strong medium polyhedral structure; very weak consistence moist; pH 5.6; gradual change to:

A12

30 – 50 cm

Dark greyish brown (10YR4/2) distinctly mottled with fine common dark brown (7.5YR3/4) mottles; silty clay loam; moderate medium polyhedral structure; weak consistence moist; pH 5.4; gradual change to:

Subsoil

B2

50 – 70 cm
Brown (10YR5/3) with many medium faint dark greyish brown (10YR4/2) mottles; silty clay; weak to moderate coarse prismatic structure; firm consistence moist ; pH 5.9; diffuse change to:

Deep subsoil

D

70 – 105 cm

Dark greyish brown (10YR4/2) with common distinct medium brown (7.5YR5/4) mottles; sandy clay loam; weak coarse polyhedral structure; firm consistence moist.
Sampled by auger


Soil Profile Characteristics:


-

pH
Salinity
Surface soil
(A11 horizon)
Moderately acid
Very low
Non sodic
None
Subsoil
(A12 horizon)
Strongly acid
Very low
Non sodic
None1
Deep subsoil
(B2 horizon)
Moderately acid
Very low
Non sodic
Slight 2
1 Slight dispersion after remoulding. 2 Complete dispersion after remoulding.



Chemical and Physical Analysis:
Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl
2)
EC
dS/m
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 cap.
% w/w
Wilt. point
% w/w
Ca
Mg
K
Na
meq/100g
A11
0-30
5.6
4.9
0.08
2.9
0.21
14
15.0
7.5
1.4
0.17
0.24
6
31
30
23
33.4
14.0
A12
50-70
5.4
4.7
0.09
48
12.0
3.3
2.4
0.12
0.28
7
32
34
25
B2
70-105
5.9
5.0
0.11
12
8.2
2.8
4.9
0.13
0.62
7
26
34
31

Profile Described By: David Rees and Grant Boyle, 2000.
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