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SFS 19b

Location: Teesdale-Inverleigh Road
Aust. Soil Class.:Ferric, Eutrophic, Brown CHROMOSOL

General Landscape Description: Level Plain, “outside north paddock
Site Description: Gently undulating plain tending to gently undulating rises

Image:  SFS 19b landscape
SFS 19b

Soil Profile Morphology:

Surface Soil

Ap

A2

Subsoil
B21


0-18 cm

10-30


Darker, mostly loamy:

35 cm wavy boundary; 80% gravel 10-40 mm


Light clay
; darker coatings on main peds and brighter interiors than SFS19. Brown (10YR4/3) with red (10R4/8) mottles.
Image:  SFS 19b profile
SFS 19b

Key Profile Features:
  • Strong texture contrast between surface (A) horizons and subsoil (B21) horizon.

Soil Profile Characteristics:


pH
Salinity Rating
Subsoil
(B21 horizon)
Moderately Acid
Low
Non-Sodic
None1
1 Complete dispersion after remoulding

Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl2)
EC
dS/m
NaCl
Exchangeable Cations
Ca
Mg
K
Na
meq/100g
B21
40-50
6.0
5.4
0.20
0.06
4.7
7.9
1.1
1.2

Horizon
Horizon Depth
(cm)
Exchangeable Aluminium
mg/kg
Exchangeable Acidity
meq/100g
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)
B21
40-50
<10
11.0
40.5
28.5
6.0
3.3
2.5
87.5

Management Considerations:

Whole Profile
  • Plant available water capacity (PAWC) is considered to be low/medium (estimated at 100 mm) in the upper 80 cm of this soil profile. Effective rooting depth (ERD) is restricted to 80 cm due to the basalt below this depth.
Notes
  • Profile described by Richard MacEwan & Mark Imhof, June 2000.


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