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DOAHG7

WLRA - soil pit DOAHG7- landscape
Lake Fyans Road crest looking north east
    Site Code
DOAHG7


    Location

Halls Gap, western Victoria.

    Landform

Gently undulating rise

    Geology

Quaternary Alluvium & Colluvium: gravel, sand, silt

    Element

Hillslope
Horizon
Depth (cm)
Description

A1

0–30

Very dark grey (10YR3/1); sandy loam; massive (structureless); slightly compacted (hard setting); weak consistence (dry); very friable (moist); very few ferruginous concretions; pH4.9; clear boundary to:

A21

30–70

Brown (10YR5/3) with strong brown (7.5YR5/8) mottles; sporadically bleached (10YR7/3 dry); loamy sand; massive (structureless); slightly compacted (hard setting); weak consistence (dry); very friable (moist); many ferruginous concretions; pH 5.6; sharp boundary to:

A22

70–80

Pink (7.5YR7/4); conspicuously bleached (10YR8/2 dry); loamy sand; slightly compacted (hard setting); weak consistence (dry); very friable (moist); few ferruginous concretions; pH 6.0; sharp boundary to:

B2

80–120+

Strong brown (7.5YRS/8m) with very pale brown (10YR7/3) mottles; sandy medium clay; weak structure; firm consistence (dry); friable (moist); very few ferruginous concretions; pH 6.3.
Management considerations
  • Texture contrast soil, acidic profile, tending to neutral at depth.
  • Slightly compacted hard setting surface soil.
  • Deep but acidic organic surface soil.
  • Apedal surface horizons.
  • Sand component throughout profile.
  • Lateral movement of moisture above B2 horizon.
  • Subsoil is not sodic, low susceptibility to dispersibility.
  • Subsoil has low nutrient availability and is magnesic.
  • Landscape position, upper riseslope.
  • Site drainage is moderately well to well drained.
Site
DOAHG7
Sample depth cm
pH
EC
dS/m
NaCl
%
Ex Ca
cmol-/kg
Ex Mg
cmol-/kg
Ex K
cmol-/kg
Ex Na
cmol-/kg
Ex Al
cmol-/kg
Ex acidity
cmol-/kg
FC
-30okPa
PWP
-1500okPa
KS
%
FS
%
Z
%
C
%
Horizon
H2O
CaCl2
A1
0–30
4.9
NA
0.02
NA
3.0
0.5
0.2
0.1
0.1
17.3
12.0
6.0
NA
NA
NA
NA
A21
30–70
5.6
NA
0.01
NA
NA
0.3
0.3
0.1
0.1
9.1
13.0
7.6
NA
NA
NA
NA
A22
70–80
6.0
NA
0.01
NA
NA
0.2
0.7
0.1
0.1
4.7
12.2
5.4
NA
NA
NA
NA
B2
80–120+
6.3
NA
0.01
NA
NA
0.1
2.3
0.2
0.1
2.6
15.9
6.6
NA
NA
NA
NA

Note: NA=not assessed
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