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Profile Number 59

Laboratory number: 0937A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 59Profile Description
Site number:384A10-5 cmDark brown (10YR 3/3) fine sandy loam; moderate coarse (5 mm) crumb structure; rough-ped fabric; hard when dry; abundant grass roots; pH 5.5; abrupt smooth boundary
Classification:Northcote (1979) – Db2.23
Stace et al (1972) – Solodic Soil
A25-20 cmDark brown (10YR 3/3) clay loam; common distinct yellowish brown (<5 mm) mottles; apedal; earthy fabric; hard when dry; 5% ferruginous nodules up to 10 mm; common roots; pH 5.5; abrupt wavy boundary
Location:Maffra 8222, grid ref. 881966
7 km E of Heyfield
C185-120 cmReddish brown (5YR 4/3) medium clay; common faint yellowish brown (>15 mm) mottles; strong coarse (20 mm) angular blocky structure; smooth-ped fabric; very firm when moist; 5% manganiferous nodules up to 5 mm; pH 9.0; clear wavy boundary
Land system, component: Valencia, 1C2120-150 cmReddish brown (5YR 4/4) sandy clay; common faint yellowish brown (>15 mm) mottles; apedal; earthy fabric; friable when moist; pH 8.7
Topography:Alluvial terrace, 0% slope
Elevation:40 m
Drainage:Poor
Parent material:Pleistocene fine-textured alluvium
Vegetation:Cleared; sedgeland with Juncus sp.
LABORATORY ANALYSES 937
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
0-5
L
0
9
36
24
22
5.2
100
0.010
A2
10-20
SiL
2
12
42
30
15
5.7
38
0.003
B2
20-30
CL
2
12
34
23
30
6.1
58
0.004
B2
30-60
55
17
38
14
C1
90-120
SiC
0
<1
23
29
48
8.6
490
0.056
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
0-5
4.88
0.39
16
1.1
25
320
0.026
0.26
2.3
2.4
0.7
0.3
21.4
11
11
3
1
74
A2
10-20
0.73
0.071
13
1.9
5
180
0.009
0.21
1.3
1.4
0.4
0.2
9.2
14
15
4
2
65
B2
20-30
0.37
0.052
9
3.0
2
300
0.009
0.43
1.9
4.2
0.7
0.4
13.4
14
31
5
3
47
B2
30-60
C1
90-120
3.0
0.009
0.76
2.3
9.7
0.3
3.3
16.6
14
58
2
20
6
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