H122

Location: Curdie Vale

Australian Soil Classification: Haplic/Vertic Brown CHROMOSOL
General Landscape Description: Footslope/Terrace (to Estuary)
Site Description: Plain; Undulating (4%) , South-South West facing
Vegetation: Pasture
Geology: Quaternary Colluvium and Alluvium derived from Neogene Sediments

H122 landscape image

Soil Profile Morphology:

Surface Soil

A11	0-15 cm	Very dark brown (10YR2/2); sandy clay loam; strong fine subangular blocky structure; rough ped fabric;weak consistence, moist; pH 7.5; abrupt change to:	H122 Profile
A12	15-20 cm	Dark greyish brown (10YR4/2); few fine faint strong brown (7.5YR5/6) mottles; sandy clay loam; moderate fine subangular blocky structure; rough ped fabric; weak consistence, moist; pH 6.0; clear change to:
Subsoil
B21	20-45 cm	Dark yellowish brown (10YR4/4); few medium distinct yellowish red (5YR4/6) mottles; heavy clay; moderate medium parting to fine angular blocky structure; smooth ped fabric; firm consistence, moist; few fine gravely manganiferous concretions; pH 7.0; gradual change to:
B22	45-80 cm	Dark yellowish brown (10YR4/4); heavy clay; moderate medium parting to fine angular blocky structure; smooth ped fabric; very firm consistence, wet; few fine gravely manganiferous concretions; pH 7.0; gradual change to:
2B21	80-90 cm	Black (10YR2/1); light clay; moderate medium parting to fine angular blocky structure; smooth ped fabric; firm consistence, wet; pH 7.2; gradual change to:
2B22	90-110 cm	Yellowish brown (10YR5/6); many coarse distinct grey (10YR5/1) and dark greyish brown (10YR4/2) mottles; light medium clay; moderate medium parting to fine angular blocky structure; smooth ped fabric; very firm consistence, wet; few fine gravely calcium carbonate nodules; pH 8.0.

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	6.3	5.9	0.14	9.7	1.5	0.45	0.45	4.7	0.36	8.6	<10	190	32	15	130

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	1.09	55.9	46.3	44.1	13.2	Nil	Nil	Nil	Nil	Water Stable

Profile Described By: David Rees, October 2007.

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