Profile Number 16

Laboratory number:	1007	Profile Description
Site number:	728	A1	0 - 8 cm	Dark brown (10YR 3/3) light clay; moderate medium (10 mm) subangular blocky structure; rough-ped fabric; very porous; firm when moist; 1% bedrock fragments up to 2 mm; abundant roots; pH 5.5; gradual smooth boundary
Classification:	Northcote (1979) - Uf6.12 Stace et al.(1972) - Brown Earth	B₂	8 - 42 cm	Dark brown (10YR 4/3) medium clay; common faint brown (>15 mm) mottles; moderate medium (10 mm) subangular blocky structure; rough-ped fabric; moderately porous; very firm when moist; abundant roots; 5% feldspathic mudstone fragments up to 30 mm; pH 5.5; gradual smooth boundary
Location:	Traralgon 8221, grid ref. 586456 Road cutting 27 km S of Traralgon near Tarra Valley National Park	B₃	42 - 90 cm	Dark yellowish brown (10YR 4/4) medium clay; common faint yellowish brown (>15 mm) mottles; moderate medium (100 mm) angular blocky structure; rough-ped fabric; firm when moist; 20% feldspathic mudstone fragments up to 50 mm; common roots; pH 5.0
Land system, component:	Jeeralang, 1	R	90+ cm	Bedrock
Topography:	Mountain mid-slope, W aspect, 37% gradient
Elevation:	520 m
Drainage:	-
Parent material:	Cretaceous mudstone (feldspathic)
Vegetation:	Regenerating shrubby open forest II: Eucalyptus globulus, E. obliqua and Acacia melanoxylon; Goodenia ovata, Olearia lirata, Bedfordia arborescens, Correa lawrenciana and Coprosma quadrifida predominant in understorey

LABORATORY ANALYSES 1007
Horizon	Sample Depth cm	Lab. texture	Particle size distribution					Atterberg limits				1:5 soil water suspension			Clay mineralogy by x-ray diffraction
Horizon	Sample Depth cm	Lab. texture	Gravel %	Coarse sand % f.e.	fine sand % f.e.	Silt % f.e.	Clay % f.e.	liquid limit %	plastic limit %	plasticity index %	linear shrinkage %	pH	EC 25°C uS/cm	Cl- %	Depth cm	Composition %
Al B2 B2 B3	0 - 8 10 - 20 30 - 42 60 - 78	CL C C C	1 0 0 0	9 5 3 5	27 25 23 26	23 19 16 15	33 42 50 49					4.6 5.4 5.2 5.0	65 46 42 40	0.004 0.002 0.001 0.002

Horizon	Sample Depth cm	Org. C %	Total N %	1.3C N	Free Fe₂O₃ %	Available		HCl extract		Exchangeable cations
						P ppm	K ppm	P %	K %	Ca	Mg	K	Na	CEC	Ca % of CEC	Mg	K	Na	H
						P ppm	K ppm	P %	K %	Milliequivalents/100g				CEC	Ca % of CEC	Mg	K	Na	H
Al	0 - 8	3.3	0.26	17	3.2	10	460	0.021	0.24	2.7	1.6	1.3	0.3	36.1	7	4	4	1	84
B2	10 - 20	2.5	0.19	17	3.2	8	400	0.017	0.25	1.7	1.1	1.0	0.2	31.4	5	4	3	1	87
B2	30 - 42				3.5			0.012	0.21	1.3	0.9	0.8	0.3	27.9	5	3	3	1	88
B3	60 - 78				3.7			0.012	0.19	0.6	0.9	0.5	0.2	28.8	2	3	2	1	82

Page top