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Profile Number 65

Laboratory number: 0938A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 65Profile Description
Site number:385A110-10 cmVery dark greyish brown (10YR 3/2) sandy loam; weak coarse (10 mm) crumb structure; rough-ped fabric; soft when dry; abundant small roots, common large roots; pH 5.5; abrupt smooth boundary
Classification:Northcote (1979) – Dy3.23
Stace et al (1972) - Soloth
A1210-18 cmVery dark greyish brown (10YR 3/2) sandy loam; apedal; earthy fabric; soft when dry; 2% fine quartz gravel up to 4 mm; pH 4.0; clear smooth boundary
Location:Maffra 8222, grid ref. 758958
6km W of Heyfield
A2118-40 cmBrown (10YR 5/3) sandy loam; common distinct yellowish brown (<5 mm) mottles; apedal; earthy fabric; soft when dry; 5% fine quartz gravel up to 3 mm; pH 6.5; abrupt wavy boundary
Land system, component: Redgum 2, 1A2240-50 cmLight olive brown (2.5YR 5/4) sandy loam; common distinct yellowish brown (5-15 mm) mottles; apedal; earthy fabric; very hard when dry; 5% fine quartz gravel up to 3 mm; pH 6.5; clear irregular boundary
Topography:Pleistocene alluvial terraceB2150-100 cmDark yellowish brown (10YR 4/6) to yellowish brown (10YR 5/6) heavy clay; common distinct yellowish brown (5-15 mm) mottles; moderate medium (10 mm) angular blocky structure; smooth-ped fabric; extremely hard to very hard when dry; pH 7.5-8.5; gradual wavy boundary
Elevation:60 mB22100-180 cmYellowish brown (10YR 5/6) medium clay; few distinct yellow (<5 mm) mottles; moderate coarse (20 mm) angular blocky structure; smooth-ped fabric; very firm when moist; pH 8.5
Drainage:Poor
Parent material:Pleistocene fine-textured alluvium
Vegetation:Open forest II: Eucalyptus goniocalyx, E. melliodora, E. tereticornis, E. radiata
LABORATORY ANALYSES 938
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

%
A11
0-10
LS
1
22
55
9
6
4.7
63
0.007
A12
10-18
LS
1
24
53
12
7
4.6
64
0.007
A21
30-40
LS
6
24
58
17
3
5.9
13
0.001
A22
40-50
L
7
20
51
16
13
14
12
2
2.0
6.2
110
0.011
B21
50-60
3
24
12
12
8.0
B21
60-90
SiCL
1
4
39
26
31
7.4
270
0.037
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
A11
0-10
3.20
0.18
2.3
0.3
8
20
0.009
0.060
1.8
1.0
0.2
0.2
16.1
11
6
1
1
81
A12
10-18
2.28
0.076
39
0.3
4
140
0.004
0.047
0.2
06
0.3
0.5
22.3
1
3
1
2
93
A21
30-40
0.3
0.003
0.037
0.2
0.2
0.08
0.02
2.1
10
10
4
1
75
A22
40-50
1.1
0.004
0.13
0.2
2.6
0.2
0.9
6.7
3
39
3
13
42
B21
50-60
B21
60-90
2.6
0.006
0.27
0.2
7.5
0.6
2.6
12.4
2
60
5
21
12
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