H138

Location: Simpson

Australian Soil Classification: Melanic-Mottled Brown KUROSOL
General Landscape Description: Low Hill (Dissected plain)
Site Description: East South East facing Upper Slope; Undulating (10%), Slumped area
Vegetation: Pasture
Geology: Neogene and Palaeogene sediments (Hanson Plain Sands over Gellibrand Marl)

H138 landscape image

Soil Profile Morphology:

Surface Soil

A1	0-22 cm	Very dark brown (10YR2/2); fine sandy clay loam; weak fine subangular blocky structure; rough ped fabric;weak consistence, moist; pH 6.0; abrupt change to:	H138 Profile
A21	22-30 cm	Yellowish brown (10YR5/6); few fine faint brown (10YR5/3) mottles; loamy sand; apedal (single grain) structure; sandy fabric; very weak consistence, moist; few medium gravely ferruginous nodules; pH 5.0; clear change to:
A22	30-45 cm	Light yellowish brown (10YR6/4); common fine faint yellowish brown (10YR5/6) mottles; loamy sand; apedal (massive) structure; sandy fabric; weak consistence, moist; very few medium gravely ferruginous nodules pH 4.5; clear change to:
A3	45-60 cm	Yellowish brown (10YR5/6); common medium distinct yellowish brown (10YR5/6) mottles; clayey sand; weak moderate polyhedral/ indeterminate structure; rough ped fabric; firm consistence, moist; few medium gravely ferruginous nodules pH 5.0; clear change to:
Subsoil
B21	60-80 cm	Dark yellowish brown (10YR4/6); many medium prominent yellowish brown (10YR5/6) and light brownish grey (10YR6/2) mottles; light medium clay, fine sandy; moderate medium polyhedral / indeterminate structure; smooth ped fabric; very firm consistence, moist; pH 5.5; gradual change to:
B22	80-105 cm	Strong brown (7.5YR5/8); many medium distinct yellowish brown (10YR5/6) and light grey (10YR6/1) mottles; medium clay; moderate medium prismatic / indeterminate structure; smooth ped fabric; very firm consistence, moist; 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	5.4	4.7	0.07	2.7	0.71	0.23	0.12	4.6	0.3	8.5	35	92	49	6	150

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	0.12	50.9	48.5	44.1	13.1	Nil	Nil	Nil	Nil	Water Stable

Profile Described By: David Rees, October 2007.

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