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Profile Number 42

Laboratory number: 1000 A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 42Profile Description
Site number:706A11 0 - 5 cmDark reddish brown (5YR 3/2) loam; some coarse sand particles; moderate crumb structure; rough-ped fabric; hard when thy; pH 5.5; gradual boundary
Classification:Northcote (1979) - Gn4.13
Stace et al. (1972) - Terra Rossa
A12 5 - 20 cmDark reddish brown (5YR 3/3) clay loam to loamy clay; weak crumb structure; rough-ped fabric; hard when dry; 5% quartz gravel up to 10 mm; pH 5.5; gradual boundary
Location:Maffra 8222, grid ref. 867005 7 km NE of HeyfieldB120 - 45 cmDark reddish brown (5YR 3/4) medium clay; common distinct dark brown (<5 mm) mottles; weak angular blocky structure; rough-ped fabric; very firm when moist; pH 6.0; gradual boundary
Land system, component: Maffra 1, 4B245 - 110 cmDark red (2.5YR 3/6) medium to light clay; common distinct dark brown (5 - 15 mm) mottles; moderate medium (10 mm) angular blocky structure; rough-ped fabric; very firm when moist; pH 7.0; gradual boundary
Topography:Plain, 1% slopeC110 - 150 cmReddish brown (5YR 4/4) light clay; apedal; earthy fabric; friable when moist; pH 8.0
Elevation:10 m
Drainage:Moderate
Parent material:Holocene fine-textured alluvium
Vegetation:Cleared; some Eucalyptus tereticornis remaining
LABORATORY ANALYSES 1000
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
uS/cm
Cl-

%
Depth

cm
Composition

%
0 - 5
SiL
13
8
41
28
18
5.6
45
0.001
20 - 30
SiL
3
8
46
28
17
20
15
5
4.0
5.9
22
0.001
45 - 60
C
5
2
24
17
54
58
21
37
15
6.1
71
0.001
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
0 - 5
1.9
0.17
15
11
260
0.014
0.22
2.2
1.3
0.6
0.05
12.0
18
11
5
<1
66
20 - 30
0.31
0.046
9
1.4
5
70
0.008
0.19
0.1
6.0
22
17
3
2
56
45 - 60
4.2
3.5
5.7
0.2
1.0
19.6
18
29
1
5
47
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