H106

Location: Timboon

Australian Soil Classification: Semi-aquic or Aeric PODOSOL

General Landscape Description: Gently Undulating Plain, Sand Plain
Site Description: Plain Lower Slope; Very Gently Undulating (1%)
Vegetation: Pasture
Geology: Neogene Sediments, Quaternary Sediments

H106 Landscape

Soil Profile Morphology:

Surface Soil

O	0-12 cm	Black (7.5YR2.5/1); organic mat; pH 4.2; sharp change to	H106 Profile
A1	12-25 cm	Black (10YR2/1); light coarse sandy loam; weak medium polyhedral structure; rough ped fabric; weak consistence, slightly moist; pH 4.0; gradual change to:
A2	25-40 cm	Greyish brown (10YR6/2), sporadicly bleached light grey (10YR6/1, 10YR7/1d) ; heavy sand; apedal (massive) structure; sandy fabric; firm consistence, slightly moist; pH 4.5; gradual change to:
Subsoil
Bhs1	40-55 cm	Very dark grey (10YR3/1); many coarse distinct greyish brown (10YR5/2) mottles; loamy sand; apedal (massive) structure; sandy fabric; very firm consistence, slightly moist; many coarse gravelly earthy nodules; continuous pan; pH 4.5; clear change to:
Bhs2	55-85 cm	Very dark greyish brown (10YR3/2); many coarse faint dark greyish brown (10YR4/2) mottles; sandy loam; apedal (massive) structure; sandy fabric; strong consistence, slightly moist; many coarse gravelly ferruginous/earthy nodules; discontinuous pan; pH 5.5; gradual change to:
B3	85-100 cm	Yellowish brown (10YR5/4); many moderate faint dark yellowish brown (10YR4/6) mottles; sandy clay loam; weak medium polyhedral structure; smooth ped fabric; weak consistence, moist; few coarse gravelly ferruginous nodules; pH 5.0; clear change to:
C	100-105 cm	Yellowish brown (10YR5/4); common moderate faint dark yellowish brown (10YR4/6) mottles; heavy sandy; apedal (massive) structure; sandy fabric; weak consistence, moist; few coarse gravelly ferruginous nodules; pH 5.0.

Chemical Properties of Upper 10 cm:

Depth (cm)	pH (water)	pH (CaCl₂)	EC dS/m	Exchangeable Cations				Total Carbon %	Total Nitrogen %	Organic Matter %	Available Aluminium mg/kg	Available Potassium (Skene K) mg/kg	Phosphorous (Olsen P) mg/kg	Available Sulphur mg/kg	Phosphorous Buffering Index
				Ca	Mg	K	Na
				meq/100g
0-10	4.5	3.9	0.17	6.5	1.4	0.83	0.49	18	1.1	33	25	290	20	8	25

Physical Properties of Upper 10 cm:

Depth (cm)	Bulk Density kg/L	Volumetric Water				Dispersion				Slaking
		At Saturation pF0 mL/100mL	Near Saturation pF1.0 mL/100mL	Field Capacity pF2.0 mL/100mL	Wilting Point pF4.2 mL/100mL	Dry		Remoulded
						2 Hour	20 Hour	2 Hour	20 Hour
0-10	0.52	76.9	60.6	58.1	20.1	Minimal Aggregation

Profile Described By: David Rees, October 2006.

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