SW64

Close up of A1 horizon showing prolific roots attenuated by waterlogged (mottled) subsoil		Site Code	SW64	Humose–Acidic, Kandosolic, Redoxic HYDROSOL
		Location	Simpson; north of Tomahawk Creek Road
		Landform	Gently undulating plain
		Geology	Neogene Hanson Plain Sand Formation
		Element	Gentle slope
		Slope	1%
		Aspect	South
Horizon	Depth (cm)	Description
A11	0–40/45	Black (2.5Y2.5/1), grey (2.5Y6/1 dry) to light yellowish brown (2.5Y6/4 dry); light fine sandy loam; weakly pedal, very weak consistence; moderate amount of roots present; pH 5.1; clear boundary to:
A12	45–55/60	Greyish brown (2.5Y5/2 moist and dry); loamy sand; apedal; firm consistence; diffuse boundary to:
B21g	55/60–120	Yellowish brown (10YR5/8) and light yellowish brown (2.5Y6/3) mottled; clayey sand; apedal; firm consistence; pH 4.8; gradual boundary to:
B22g	120 +	Light brownish grey (10YR6/2) with very coarse prominent yellowish brown (10YR5/6 and 5/8) mottles; clayey sand; apedal.
Management considerations
Acidity of the profile and waterlogging are the major limitations. The high organic carbon content of the topsoil (7.7%) and overall topsoil depth are compensating factors.

Analytical data

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