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MM238

Site code

      MM238
Location
      Scotts Creek (Bucks Road), Cobden district, south-west Victoria
Landform
      Rolling hills
Geology
      Neogene Gellibrand Marl: marine silty clay, clayey silt, calcareous, minor calcarenite
Element
      Crest

Profile morphology
Horizon

Depth (cm)

Description

A1
0–10
Dark greyish brown (10YR4/2); clay loam; apedal massive structure; very firm consistence (dry); boundary to:

B21
10–25
Dark grey (10YR4/1) with brown (10YR3/4) mottles; heavy clay; strong coarse blocky structure; strong consistence (dry); clear boundary to:

B22
25+
Dark greyish brown (2.5Y4/2); heavy clay; strong coarse blocky structure; strong consistence (moderately moist); common fine calcareous segregations.

ASC: Calcic, Mottled-Hypernatric, Grey Sodosol

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

Site MM238
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
0–10
5.8
N/R
0.08
N/R
2.3
2.3
0.3
1.1
38
4
B21
10–25
6.7
N/R
0.12
N/R
6.1
6.1
0.6
3.6
N/R
9.2
B22
25+
8.9
N/R
0.59
0.09
7.1
7.1
0.9
6.4
N/R
2.4

Site MM238
Sample
depth
FC
(-10kPa)
PWP
(-1500kPa)
KS
FS
Z
C
Org C
Bulk density
Horizon
cm
%
%
%
%
%
%
%
t m-3
A1
0–10
30.1
14.2
13
38
23
20
3
1.54
B21
10–25
44.2
24.5
7
27
20
45
N/R
1.38
B22
25+
N/R
N/R
8
21
19
50
N/R
N/R
Management considerations
Shallow and hardsetting topsoils are a key feature of this texture contrast soil. Highly sodic and alkaline clay subsoils with calcium carbonate nodules are features of this soil type. The application of gypsum may be used to counter the effects of sodicity, while growing alkaline tolerant species is an option.
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