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MM5006

Site code

      MM5006
Location
      Teesdale (Shelford Bannockburn Road), Shelford district, south-west Victoria
Landform
      Level plains
Geology
      Quaternary alluvium, colluvium, lagoon and swamp deposits: gravel, sand, silt, clay
Element
      Flat

Profile morphology
Horizon

Depth (cm)

Description

A1
0–12
Very dark greyish brown (10YR3/2); sandy loam; apedal massive structure; weak dry consistence; clear boundary to:

A2
12–25
Light yellowish brown (10YR6/4), conspicuously bleached, very pale brown (10YR7/3 dry); loamy sand; many fine segregations; sharp boundary to:

B21
25–70
Yellowish brown (10YR5/6) with red (2.5YR4/6) mottles; medium clay; strong fine blocky structure; very firm consistence (dry); gradual boundary to:

B22
70+
Yellowish brown (10YR5/6) with red (2.5YR4/6) mottles; medium clay; strong coarse blocky structure; very firm consistence (dry).

ASC: Ferric, Mottled-Subnatric, Brown Sodosol

Analytical data Source: Government of Victoria, State Chemistry Laboratory.

Site MM5006
Sample
depth
pH
EC
NaCl
Ex Ca
Ex Mg
Ex K
Ex Na
Ex Al
Ex acidity
Horizon
cm
H2O
CaCl2
dS/m
%
cmolc/kg
cmolc/kg
cmolc/kg
cmolc/kg
mg/kg
cmolc/kg
A1
0–12
5.6
N/R
0.07
N/R
2.7
2.7
0.5
0.2
N/R
10.4
A2
12–25
6.3
N/R
0.03
N/R
1.2
1.2
0.1
0.1
N/R
1.6
B21
25–70
7
N/R
0.12
N/R
3.4
3.4
0.8
2
N/R
10.8
B22
70+
7.9
N/R
0.24
0.05
2.7
2.7
0.8
4.2
N/R
5.8

Site MM5006
Sample
depth
FC
(-10kPa)
PWP
(-1500kPa)
KS
FS
Z
C
Org C
Bulk density
Horizon
cm
%
%
%
%
%
%
%
t m-3
A1
0–12
14.9
7.6
54
18
6
14
3.4
1.49
A2
12–25
N/R
N/R
47
38
5
5
0.6
N/R
B21
25–70
42.2
30
4
2
2
91
N/R
1.21
B22
70+
N/R
N/R
10
7
2
75
N/R
N/R

Management considerations
This soil type has a sandy topsoil and exhibits a strong texture contrast between the surface soil and the subsoil. A conspicuously bleached A2 with many fine segregations is an indication of restricted drainage, poor soil structure (often massive), low organic matter and low nutrients. The subsoils are mottled and indicate periodic waterlogging.

Management options may be to increase organic matter while the maintenance of a vegetative cover is important.
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