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NA174

WLRA - soil pit NA174- landscape
Upper slope on northern spur of rise
    Site Code
NA174

    Location

Gymbowen, western Victoria

    Landform

Gently Undulating Plain

    Geology

Pliocene Parilla Sand: marine sand and silt

    Element

Hillcrest
Horizon
Depth (cm)
Description

A1

0–10

Dark yellowish brown (10YR3/4); sandy loam; weakly structured; weak consistence (dry); pH 6.0; sharp boundary to

A2

10–30

Yellowish red (5YR4/4); sporadically bleached (5YR 7/3); sandy loam; weak consistence (dry); pH 6.3; sharp boundary to:

B2

30–80+

Yellowish red (5YR5/8); medium clay; very strong consistence (slightly moist); pH 7.4.
Management considerations
  • Strong texture contrast between surface (A) and subsoil (B21) horizon.
  • Hard setting nature of surface soil.
  • Structure and texture difference would indicate high susceptibility to compaction
  • Slightly alkaline profile with high magnesium, sodium and slight salinity at depth
  • Nutrient levels of subsurface (A2) soil are low compared with soil above and below
  • Upper slope, good site drainage but poor internal drainage
Site
NA174
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
mg/kg
Ex acidity
cmol-/kg
FC
-30okPa
PWP
-1500okPa
KS
%
FS
%
Z
%
C
%
Horizon
H2O
CaCl2
A1
0–10
6.0
5.0
0.10
NA
3.9
1.1
0.5
0.1
1.96
NA
11.2
6.5
NA
NA
NA
NA
A2
10–30
6.3
5.2
0.02
NA
2.5
0.7
0.2
0.0
NA
NA
8.6
4.1
NA
NA
NA
NA
B21
30–80+
7.4
6.2
0.13
NA
4.9
5.5
0.3
2.7
NA
3.7
26.2
18.7
NA
NA
NA
NA
Note: NA=not assessed
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