Profile Number 66

Laboratory number:	0944	Profile Description
Site number:	391	A1	0-10 cm	Very dark greyish brown (10YR 3/2) clay loam; common distinct yellowish brown (<5 mm) mottles; weak coarse (20 mm) subangular blocky structure; porous; rough-ped fabric; hard when dry; abundant grass roots; pH 5.8; clear smooth boundary
Classification:	Northcote (1979) – Dy3.23 Stace et al (1972) – Solodic Soil	A2	10-18 cm	Dark greyish brown (10YR 4/2) clay loam; common distinct yellowish brown (<5 mm) mottles; apedal; earthy fabric; very hard when dry; abundant grass roots; pH 5.5; clear smooth boundary
Location:	Traralgon 8221, grid ref. 767918 4 km E of Cowwarr	B21	18-30 cm	Yellowish brown (10YR 5/6) medium clay; common prominent grey (5-15 mm) mottles; weak coarse (30 mm) subangular blocky structure; porous; rough-ped fabric; very hard when dry; pH 8.5; smooth gradual boundary
Land system, component:	Valencia, 1	B22	30-90 cm	Strong brown (7.5YR4/6) heavy clay; common faint yellowish brown (5-15 mm) mottles; moderate very coarse (60 mm) angular blocky structure; smooth-ped fabric; extremely hard when dry; common roots; pH 8.5; smooth gradual boundary
Topography:	Pleistocene alluvial terrace, 0% slope	B3	90-130 cm	Dark yellowish brown (10YR 4/4) heavy clay; few distinct red (5-15 mm) mottles; moderate; very coarse (70 mm) angular blocky structure; smooth-ped fabric; extremely hard when dry; 20% gravel or nodules up to 80 mm; common roots; pH 8.7: smooth gradual boundary
Elevation:	60 m	C	130-170 cm	Dark red (2.5YR 3/6) heavy clay; strong medium (15 mm) angular blocky structure; smooth-ped fabric; very hard when dry; 5% manganiferous nodules up to 5 mm; pH 8.5
Drainage:	Poor
Parent material:	Pleistocene fine-textured alluvium
Vegetation:	Cleared; grassland with Paspalum dilatatum, Poa australis and Romulea rosea

LABORATORY ANALYSES 944
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 µS/cm	Cl- %	Depth cm	Composition %
A1	0-10	SiL	0	4	28	37	23					5.5	95	0.010
A2	10-18	SiL	0	5	30	13						5.4	63	0.007
B21	20-30	SiCL	0	4	30	39	26					5.7	56	0.006
B22	30-60	C	1	1	9	17	71					7.5	330	0.036
B3	90-120	C	0	<1	11	20	67					8.4	900	0.11

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
A1	0-10	3.17	0.29	14	1.4	15	220	0.026	0.29	1.8	1.9	0.6	0.5	17.6	10	11	3	3	73
A2	10-18	1.43	0.14	13	1.9	9	60	0.017	0.24	1.0	1.3	0.3	0.4	13.4	7	10	2	3	78
B21	20-30	0.59	0.065	12	2.7	47	30	0.012	0.29	0.9	2.1	0.2	0.6	10.8	8	19	2	6	65
B22	30-60				4.6			0.011	0.92	3.0	11.2	1.0	4.5	25.1	12	45	4	18	21
B3	90-120				4.1			0.011	0.87	1.9	9.9	0.8	5.7	20.4	9	49	4	28	10

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