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MM236

Site code

      MM236
Location
      Mannibadar (Lismore Pittong Road), Linton district, south-west Victoria
Landform
      Undulating low hills
Geology
      Devonian Tiac Granodiorite: intrusive biotite granodiorite, coarse grained
Element
      Upper slope

Profile morphology
Horizon

Depth (cm)

Description

A11
20–25
Very dark greyish brown (10YR3/2); loamy sand; very weak consistence (dry); clear boundary to:

A12
25–65
Brown (7.5YR4/4), light brown (7.5YR6/4 dry); loamy sand; clear boundary to:

A13
65–115
Brown (10YR4/3); loamy sand; clear boundary to:

B21
115–135
Dark greyish brown (10YR4/2) with red (5YR4/6) mottles; light sandy clay loam; apedal massive structure; clear boundary to:

B22
135+
Olive brown (2.5Y4/4); light sandy clay loam.

ASC: Melanic, Mottled-Subnatric, Grey Sodosol (deep surface, subsurface soil)

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

Site MM236
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
A11
20–25
5.5
N/R
0.13
N/R
2.2
2.2
0.9
0.4
N/R
7.6
A12
25–65
6.3
N/R
0.03
N/R
1.6
1.6
0.3
0.3
N/R
2.3
A13
65–115
6.3
N/R
0.08
N/R
2.2
2.2
0.3
0.4
N/R
2.6
B21
115–135
6.5
N/R
0.1
N/R
2.8
2.8
0.3
0.8
N/R
3.9
B22
135+
6.1
N/R
0.08
N/R
3.2
3.2
0.3
1.3
N/R
4

Site MM236
Sample
depth
FC
(-10kPa)
PWP
(-1500kPa)
KS
FS
Z
C
Org C
Bulk density
Horizon
cm
%
%
%
%
%
%
%
t m-3
A11
20–25
15.6
7.8
47
27
11
10
2.8
1.28
A12
25–65
11
3.5
52
30
12
6
N/R
N/R
A13
65–115
10.7
4.4
57
27
9
8
N/R
N/R
B21
115–135
N/R
N/R
59
16
8
16
N/R
N/R
B22
135+
N/R
N/R
53
22
8
18
N/R
N/R

Management considerations
Deep sandy soils generally have poor plant water holding capacity and poor nutrient holding capacity. The low level of bonding between soil particles makes this soil prone to wind, sheet and rill erosion. Mottled subsoils are common and are an indication of periodic waterlogging. Improved drainage is required to reduce waterlogging while erosion of the topsoil may be modified by the amount of organic matter in the profile as increased organic matter bonds soil particles together.
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