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GP87

Location: Glengarry West

Australian Soil Classification: Acidic, Mesotrophic, Grey KANDOSOL

General Landscape Description: First terrace of the Latrobe River.
Site Description: Plat pasture.

Map Unit: Yinnar.

GP87 landscape
GP87 Landscape

Soil Profile Morphology:

Surface Soil

A10-30 cmVery dark greyish brown (10YR3/2); silty clay loam; moderate fine polyhedral parting to weak to moderate fine structure; weak consistence moist; pH 5.8; gradual change to:



Subsoil

B2130-60 cmGreyish brown (10YR5/2) with strong brown (7.5YR5/6) mottles associated with root channels; silty clay loam; firm consistence moist; many macropores; evident; pH 5.3; gradual change to:

B2260-80 cm Greyish brown (10YR5/2) sporadically bleached (10YR7/2d); silty clay loam; firm consistence moist; many macropores evident; pH 5.4:

B2380+ cmGreyish brown (10YR5/2) with yellow (10YR7/6) mottles; silty clay; weak to moderate structure; firm to very firm consistence dry; pH 5.6.



Soil Profile Characteristics:

pH
Salinity Rating
Surface
(A1 horizon)
Moderately Acidic
Very Low
Non-Sodic
None
Subsoil
(B21 horizon)
Strongly Acidic
Very Low
Non-Sodic
None
Deeper Subsoil
(at 80 + cm)
Moderately Acidic
Low
Non-Sodic
None

Image: GP87 graphs
This profile is moderately acid in the surface. The upper subsoil is strongly acid becoming moderate with depth. The salinity is low throughout the profile.The surface and subsoil is non sodic. The deeper subsoil is strongly sodic.
      Aluminium levels are high in the subsoil.
The clay content is low throughout the profile.
Horizon
Horizon Depth
(cm)
pH
(water)
pH
CaCl2
EC
(dS/m)
Exchangeable Cations
Ca
Mg
K
Na
meq/100g
A1
0-30
5.8
4.8
0.07
3.2
1.9
<0.1
0.1
B21
30-60
5.3
4.4
0.06
0.7
1.0
<0.1
<0.1
B22
60-80
5.4
4.3
0.07
0.4
1.2
<0.1
0.2
B23
80+
5.6
4.4
0.14
0.2
1.7
<0.1
0.5

Horizon
Horizon Depth
(cm)
Acidity
meq/100g
Oxidisable Organic Carbon
%
Exchangeable Aluminium
mg/kg
Field
Capacity
pF2.5
Wilting
Point
pF4.2
Coarse Sand
(0.2-2.0 mm)
Fine Sand
(0.02-0.2 mm)
Silt
(0.002-0.02 mm)
Clay
(<0.002 mm)
A1
0-30
9.2
2.8
<10
37.0
10.0
5.6
28.5
45.5
13.0
B21
30-60
5.5
0.68
44
24.6
4.8
5.8
30.4
50.0
15.0
B22
60-80
4.6
46
23.9
5.1
5.5
29.2
48.5
16.0
B23
80+
3.5
47
22.8
6.4
5.4
28.2
47.0
19.5

Profile Described By: Mark Imhof and Ian Sargeant (January 1999).
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