Agency Code: 501 Project Code: KLC Site Code: 2317
Described by: Heather Percy Date: 12/04/1995

Observation type: soil pit Category: full description
Lab Analyses: Detailed chemical and physical analyses.

Location: MGA94 Zone: 50  513050 mE  6302268 mN Elevation (m): 280  Map sheet:  Wagin 100K
Location notes:  Wedgecarrup catchment
Site notes: 
Disturbance: Complete clearing; past cultivation.

Landform
Landform pattern: rises	Slope:  2 %
Relief/modal slope: gently undulating rises
Landform element: hillslope
Morphological type: mid-slope	Slope curvature: uniform slope
Pattern Relief:  rises	Microrelief: 20 m

Surface and Hydrological Properties
Rock outcrop: 0 %  
Surface coarse fragments: no gravel sized; no stones and boulder sized
Physical properties: Hardsetting; ; hardsetting; ; moderately slow profile permeability; deep soil

Geology/parent material
Soil parent material: granite
Weathered granite and colluvium derived from weathered granite; regional geology mapped as colluvium (Qc).
Geology: unconsolidated material (unidentified)

Vegetation
Type:  grassland; Surrounded by:  grassland
Notes: Marri, wandoo and rock sheoak

Land use
Site: Grazing (grazing of vegetation planted by man). Surrounds: Cropping (may include grazing in rotation).

Visible erosion, assessed flooding and salinity
no flooding, no ponding, no salinity.

Current Classification
WA Soil Group: (1999) Grey shallow sandy duplex
Australian Soil Classification: (2002) Mesotrophic Mottled-Subnatric Yellow Sodosol
Soil Series: Warup 3
Map Unit: 257De_3

Other Classifications
Northcote PPF: Dy3.12

Soil Profile Description

Horizon | Depth (cm) | Description
A1p | 0-8 | Very dark greyish brown (10YR 3/2 moist), greyish brown (10YR 5/2 dry) clayey medium sand; no mottles; apedal, massive structure; no segregations segregations; 10% subangular quartz fine gravel sized coarse fragments; rapid permeability; many very fine roots; pH 5.5 (Raupach and Tucker); sharp, smooth boundary.
A3e | 8-23 | Light yellowish brown (10YR 6/4 moist), very pale brown (10YR 7/4 dry) clayey coarse sand; no mottles; apedal, massive structure; no segregations segregations; 20% subangular quartz fine gravel sized coarse fragments and  10% subrounded smooth-faced ferric gravel medium gravel sized coarse fragments; moderately rapid permeability; common very fine roots; pH 5.5 (Raupach and Tucker); abrupt, smooth boundary.
B2 | 23-55 | Brownish yellow (10YR 6/6 moist) stony light medium clay; few medium distinct light grey (10YR 7/2 moist)  mottles and common medium distinct strong brown (7.5YR 5/8 moist)  mottles; rough-ped fabric; pedal, weak, 10-20 mm, polyhedral structure; no segregations segregations; no coarse fragments; moderately slow permeability, non-dispersing, slow slaking; few fine roots; pH 6 (Raupach and Tucker); clear, wavy boundary.
C11 | 55-105 | Brownish yellow (10YR 6/6 moist) gravelly coarse sandy clay loam; few coarse distinct strong brown (7.5YR 5/8 moist)  redox mottles and few medium distinct red (2.5YR 4/6 moist)  mottles; apedal, massive structure; few coarse ferruginous nodules; 30% angular granite medium gravel sized coarse fragments and  10% subrounded smooth-faced ferric gravel medium gravel sized coarse fragments; moderate permeability, non-dispersing, rapid slaking; few fine roots; pH 6.5 (Raupach and Tucker); notes: Weathered granite; clear, smooth boundary.
C12 | 105-140+ | White (10YR 8/1 moist) gritty coarse sandy light clay; common coarse distinct brownish yellow (10YR 6/8 moist)  redox mottles and few medium distinct red (2.5YR 4/6 moist)  mottles; apedal, massive structure; few coarse ferruginous nodules; 10% subrounded smooth-faced ferric gravel medium gravel sized coarse fragments; moderately slow permeability, non-dispersing, rapid slaking; few fine roots; pH 6.5 (Raupach and Tucker).

Lab Results (501 KLC 2317)

Basic Chemistry

Sample | Horizon | Match | Depth | pH_w | pH_CaCl2 | EC | OC_wb | N_kjel | P_kjel | P_HCO3 | PRI | K_HCO3 | Al_CaCl2
A | 1 | A | 0-8 | 5.3 | 4.4 | 7 | 1.87 | 0.136 | 120 | | 1.9 | | 4
B | 2 | A | 8-23 | 5.2 | 4.1 | 2 | 0.28 | 0.025 | 33 | | 9.1 | | 8
C | 3 | B | 23-43 | 6 | 5.5 | 5 | 0.16 | 0.026 | 42 | | 490 | |
D | 3 | B | 43-55 | 6.2 | 5.7 | 6 | 0.09 | 0.016 | 29 | | 890 | |
E | 4 | B | 55-85 | 5.9 | 5.5 | 7 | 0.05 | 0.005 | 18 | | 210 | |
F | 4 | B | 85-105 | 5.8 | 5.3 | 8 | 0.03 | 0.005 | 18 | | 100 | | <1
G | 5 | A | 105-140 | 6.2 | 5.4 | 8 | 0.05 | 0.005 | 15 | | 32 | | <1
Z | 1 | C | 0-10 | 5.3 | 4.3 | 5 | 1.61 | 0.121 | 100 | 11 | | 63 |

Exchangeable Cations

Sample | Horizon | Match | Depth | Exch_Ca | Exch_Na | Exch_K | Exch_Mg | Exch_Mn | Exch_Al | Sum_Exch | ESP | CaMgR_Exch | Base_stat
A | 1 | A | 0-8 | 2 (2) | 0.15 (2) | 0.09 (2) | 0.51 (2) | 0.07 (2) | 0.37 (2) | 2.75 (1) | 5 (3) | 3.92 (1) | 47.41 (2)
B | 2 | A | 8-23 | 0.46 (2) | 0.06 (2) | 0.04 (2) | 0.29 (2) | 0.04 (2) | 0.41 (2) | 0.85 (1) | 7 (3) | 1.59 (1) | 7.66 (2)
C | 3 | B | 23-43 | 1.4 (2) | 0.26 (2) | 0.03 (2) | 2.6 (2) | <0.02 (2) | <0.02 (2) | 4.29 (1) | 6 (3) | 0.54 (1) | 10 (2)
D | 3 | B | 43-55 | 1 (2) | 0.39 (2) | 0.02 (2) | 3.6 (2) | <0.02 (2) | <0.02 (2) | 5.01 (1) | 8 (3) | 0.28 (1) | 12.46 (2)
E | 4 | B | 55-85 | 0.4 (2) | 0.4 (2) | 0.02 (2) | 2.6 (2) | <0.02 (2) | <0.02 (2) | 3.42 (1) | 12 (3) | 0.15 (1) | 13.41 (2)
F | 4 | B | 85-105 | 0.16 (2) | 0.49 (2) | 0.03 (2) | 2.8 (2) | <0.02 (2) | <0.02 (2) | 3.48 (1) | 14 (3) | 0.06 (1) | 12.61 (2)
G | 5 | A | 105-140 | 0.07 (2) | 0.62 (2) | 0.02 (2) | 3.7 (2) | <0.02 (2) | <0.02 (2) | 4.41 (1) | 14 (3) | 0.02 (1) | 16.52 (2)

Particle Size Analysis

Sample | Horizon | Match | Depth | gt2mm | s1000_2000 | s600_1000u | s300_600u | s180_300u | s150_180u | s106_150u | s75_106u | s20_75u | silt | clay
A | 1 | A | 0-8 | 5.35 | 10.4 | 16.7 | 16.6 | 10 | 3.8 | 5.9 | 7.2 | 17.5 | 6.1 | 5.8
B | 2 | A | 8-23 | 16.57 | 12.5 | 13.9 | 13.8 | 9.6 | 4 | 7 | 7.9 | 14.8 | 5.4 | 11.1
C | 3 | B | 23-43 | 5.53 | 7.3 | 8 | 8.5 | 5.3 | 2 | 3.2 | 3.6 | 12.7 | 6.5 | 42.9
D | 3 | B | 43-55 | 15.77 | 7.9 | 9.4 | 11.6 | 6.7 | 2 | 3.2 | 3.1 | 9.8 | 6.1 | 40.2
E | 4 | B | 55-85 | 13.34 | 12.3 | 13.2 | 18 | 8.9 | 2.3 | 2.9 | 2.5 | 6.9 | 7.5 | 25.5
F | 4 | B | 85-105 | 15.54 | 13.3 | 13.6 | 17 | 7.9 | 2.3 | 3 | 2.4 | 6.1 | 6.8 | 27.6
G | 5 | A | 105-140 | 8.75 | 9.7 | 13.3 | 15.8 | 8 | 2.5 | 3.9 | 3.7 | 9 | 7.4 | 26.7
Z | 1 | C | 0-10 | 6.55 | | | | | | | | | |