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Profile Number 60

Laboratory number: 0934A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 60Profile Description
Site number:381A10-10 cmVery dark greyish brown (10YR 3/2) sandy clay loam; strong medium (5 mm) crumb structure; rough-ped fabric; slightly hard when dry; abundant fine and few large roots; pH 5.7; clear wavy boundar
Classification:Northcote (1979) – Db2.41
Stace et al (1972) – Soloth – Yellow Podzolic Soil intergrade
A2110-18 cmDark greyish brown (10YR 4/2) sandy clay loam; common distinct yellowish brown (1 mm) mottles; apedal; earthy fabric; slightly hard when dry; abundant fine and few large roots; 5% ferruginous nodules up to 3 mm; pH 5.8; clear wavy boundary
Location:Traralgon 8221, grid ref. 581675
12 km S of Traralgon
A2218-35 cmBrown (10YR 5/3) light sandy clay; common distinct yellowish brown (5-15 mm) mottles; apedal; earthy fabric; hard when dry; abundant fine and few large roots; 5% ferruginous nodules up to 3 mm; pH 6.0; clear wavy boundary
Land system, component: Westbury 2, 1B2135-50 cmDark yellowish brown (10YR 4/4) heavy clay; common distinct reddish brown (5-15 mm) mottles; strong coarse (20 mm) angular blocky structure; few roots; rough-ped fabric; extremely hard when dry; pH 5.5; clear boundary
Topography:2% slope in undulating terrainB2250-110 cmDark yellowish brown (10YR 4/6) heavy clay; common distinct grey (5-15 mm) mottles; moderate coarse (30 mm) angular blocky structure; smooth-ped fabric; very hard when dry; few roots; 5% ferruginous nodules up to 3 mm; pH 6.0; diffuse smooth boundary
Elevation:100 mC110-150 cmLight red (2.5YR 6/8) heavy clay; abundant prominent grey (>15 mm) mottles; apedal; earthy fabric; very hard when dry; pH 7.3
Drainage:Poor
Parent material:Tertiary and Pleistocene clay and sand with some intermixed quartz gravel
Vegetation:Grassy open forest II: Eucalyptus radiata, E. ovata, Acacia melanoxylon, A. mearnsii, Casuarina littoralis and Leptospermum juniperinum predominant shrub species
LABORATORY ANALYSES 934
Horizon
Sample
Depth

cm
Lab.
texture
Particle size distribution
Atterberg limits
1:5 soil water suspension
Clay mineralogy by x-ray diffraction
Gravel

%
Coarse
sand
% f.e.
fine sand

% f.e.
Silt

% f.e.
Clay

% f.e.
liquid
limit
%
plastic
limit
%
plasticity
index
%
linear
shrinkage
%
pH
EC
25C
S/cm
Cl-

%
Depth

cm
Composition

%
A1
0-10
L
2
20
42
20
15
5.6
79
0.009
50-60
Kaolinite 90;
Illite intergrade 10
A21
10-18
L
3
22
42
19
17
26
15
11
6.0
5.6
42
0.005
A22
30-35
C
4
15
29
15
40
5.6
33
0.002
B21
35-50
C
2
9
16
8
64
5.6
51
0.002
B22
60-90
C
2
7
15
5
71
97
24
73
9.0
6.0
52
0.004
Horizon
Sample
Depth

cm
Org. C


%
Total N


%
1.3C
N
Free
Fe2O3

%
Available
HCl extract
Exchangeable cations
P
ppm
K
ppm
P
%
K
%
Ca
Mg
K
Na
CEC
Ca
% of CEC
Mg
K
Na
H
Milliequivalents/100g
A1
0-10
2.45
0.18
18
2.3
13
70
0.012
0.037
3.2
1.8
0.1
0.2
14.0
23
13
1
1
62
A21
10-18
1.28
0.094
18
3.6
1
20
0.072
0.022
1.9
1.2
0.08
0.09
9.9
19
12
1
1
67
A22
30-35
5.0
0.006
0.066
2.2
3.5
0.06
0.3
146.4
13
21
<1
2
64
B21
35-50
5.2
0.007
0.094
2.8
5.5
0.09
0.8
24.2
12
23
<1
3
62
B22
60-90
0.6
0.006
0.13
2.9
6.5
0.09
1.0
22.7
13
29
<1
`4
5
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