H124

Location: Curdie Vale

Australian Soil Classification: Epipedal/Self-mulching, Black VERTOSOL
General Landscape Description: Lower Terrace / Lower Slope (to Estuary)
Site Description: Flat; Gently Undulating (2%) , South-South West facing
Vegetation: Pasture
Geology: Quaternary Alluvium

H124 landscape image

Soil Profile Morphology:

Surface Soil

A1	0-30 cm	Black (10YR2/1); light medium clay; strong fine subangular blocky structure; rough ped fabric; very weak consistence, moderately moist; pH 7.5; abrupt change to:	H124 Profile
A3	30-50 cm	Black (10YR2/1); medium clay; strong fine subangular blocky structure; rough ped fabric; weak consistence, moderately moist; pH 7.0; clear change to:
Subsoil
B21	50-80 cm	Black (10YR2/1); few coarse distinct dark yellowish brown (10YR4/8) mottles; heavy clay; moderate medium polyhedral/ indeterminate structure; smooth ped fabric; firm consistence, moist; pH 6.5; clear change to:
B22	80-105 cm	Black (10YR2/1); many coarse distinct dark yellowish brown (10YR4/4) mottles; medium heavy clay; weak medium polyhedral/ indeterminate structure; smooth ped fabric; very firm consistence, wet; pH 6.5.

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	6.6	6.2	0.36	30	8.9	2.2	3.3	13	1.1	23	<10	660	27	35	350

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	0.62	72.6	66.0	58.4	32.6	Nil	Nil	Nil	Slight	Partial

Profile Described By: David Rees, October 2007.

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