H103

Location: Curdie Vale

Australian Soil Classification: Aeric PODSOL
General Landscape Description: Very Gently Undulating Plain; Sand Plain
Site Description: Plain Slope; Very Gently Undulating (2%)
Vegetation: Pasture
Geology: Neogene Sediments, Quaternary Sediments

H103 landscape image

Soil Profile Morphology:

Surface Soil

A1	0-15 cm	Black (10YR2/1); loamy sand; moderate mediumpolyhedral structure; rough ped fabric; firm consistence, dry; pH 4.0; gradual change to:	H103 Profile
A12	15-30 cm	Very dark greyish brown (10YR3/2); heavy sand; weak medium polyhedral structure; rough ped fabric; very weak consistence, dry; pH 4.0; clear change to:
A2	30-50 cm	Dark grey (7.5YR4/1); conspicuously bleached light grey (5YR7/1d) ; sand; apedal (massive) structure; sandy fabric; weak consistence, dry; pH 4.5; clear change to:
Subsoil
Bh	50-60 cm	Very dark brown (10YR2/2); loamy sand; weak structure; smooth ped fabric; firm to strong consistence, slightly moist; continuous earthy pan; pH 4.8; abrupt change to:
Bhs	60-95 cm	Very dark brown (7.5YR2.5/2); many medium distinct strong brown (7.5YR5/8) and brown (10YR5/3) mottles; coarse loamy sandy; apedal (massive) structure; earthy fabric; firm to strong consistence, slightly moist; many coarse gravelly ferruginous nodules; discontinuous pan; pH 4.5; clear change to:
B3	95-110 cm	Greyish brown (10YR5/2); common medium distinct very pale brown (10YR7/4) and brown (10YR5/3) mottles; light clay, sandy; weak medium polyhedral structure; smooth ped fabric; firm consistence, moist; pH 4.0.

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	4.8	4.2	0.11	7.8	1.3	0.2	0.32	8.8	0.52	16	17	65	22	7	36

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	1.07	57.7	50.6	33.2	17.6	Minimal Aggregation

Profile Described By: David Rees, October 2006.

Page top