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HOR1

    Site Code
HOR1

    Location

Lower Norton, western Victoria

    Landform

Gently Undulating Plain

    Geology

Pliocene Parilla Sand: marine sand and silt

    Element

Crest

    Aspect

1 %
Horizon
Depth (cm)
Description

A1

0–10

Dark brown (7.5YR3/4); loamy sand; weak platy structure; weak consistence; few ferruginous concretions and sandstone; pH 6.0; sharp boundary to:

B21

10–70+

Red (2.5YR5/6); sandy clay loam; strong slightly moist consistence; pH 8.0.

B23k

100–120

Light yellowish brown (2.5Y6/4) with many distinct fine (5YR4/6) mottles; medium clay; weak to moderate medium polyhedral structure; smooth ped-fabric; strong moderately moist consistence; few fine to medium ferromanganiferous concretions with common extremely coarse calcareous soft segregation's; common distinct slickensides and clay skins; pH 9.2; clear and wavy boundary to:

B3k

120–145+

Light yellowish brown (2.5Y6/3) with few distinct fine (5YR4/4) mottles; medium heavy clay; weak medium polyhedral structure; smooth ped-fabric; firm moist consistence; many fine manganiferous and coarse ferromanganiferous concretions/nodules with few coarse calcareous soft segregation's; few distinct slickensides and clay skins; very strongly cemented broken nodular ferricrete pan; pH 9.2.
Management considerations
  • Texture contrast soil, sodic and at depth
  • Neutral to alkaline subsoil with coarse structure, roots confined to coarse structure
  • Few (variable) ferruginous nodules/sandstone in deep subsoil
  • Imperfect to slow subsoil drainage; clayey, coarse structure, highly dispersive, may be vertic at depth
  • Moderate to high susceptibility to soil structure decline
  • Moderate to high susceptibility to soil compaction, subsurface and upper subsoil (loose surface)
  • Landscape position; crest, well drained site drainage



Site
HOR1
Sample depth cm
pH
EC
dS/m
NaCl
%
Ex Ca
cmol-/kg
Ex Mg
cmol-/kg
Ex K
cmol-/kg
Ex Na
cmol-/kg
ESP
N
Oxidised Organic C
7.8FC
-30okPa
2.7PWP
-1500okPa
NAKS
%
NAFS
%
NA Z
%
NAC
%
Horizon
H2O
CaCl2
A1
0-10
6.0
5.3
0.09
NA
2.9
1.5
0.2
0.0
0.0
0.06
1.03
7.8
2.7
NA
NA
NA
NA
B21
10-70+
7.2
6.2
0.25
0.05
2.9
7.2
0.4
2.8
21.1
5.1
NA
19.3
8.4
NA
NA
NA
NA

Note: NA=not assessed
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