Location: Natte Yallock
Aust. Soil Class.: Vertic (& Hypercalcic), Mesonatric, Brown SODOSOL
General Site Description: Plains near small tributary of Bet Bet Creek.
Geology: Basalt (Quaternary)
Site LP114 Soil Landscape |
Surface Soil | Site LP114b Soil Profile | ||
A1 | 0-10 cm | Dark yellowish brown (10YR3/4), fine sandy clay loam; moderate medium sized blocky structure; very firm consistence (dry); pH 6.1; abrupt change to: | |
A2 | 10-25 cm | Dark reddish brown (5YR2.5/2) conspicuously bleached (5YR7/1), fine sandy clay loam; moderate medium sized blocky structure, parting to strong fie blocky structure; pH 6.3; clear change to: | |
A3 | 25-40 cm | Dark brown (10YR4/3) with 25% strong brown (7.5YR5/8) and 10% greyish brown (10YR5/2), fine sandy clay loam; very firm consistence (moist); pH 8.4; clear change to: | |
Subsoil | |||
B21 | 40-60 cm | Dark yellowish brown (10YR4/4), medium clay; firm consistence (moist); slickensides present; pH 8.4; abrupt change to: | |
B22 | 60-80 cm | Strong brown (7.5YR4/6), medium heavy clay; strong consistence (moderately moist); few (2%) hard carbonate nodules; occasional basalt cobbles (up to 100 mm diameter); pH 8.7; abrupt change to: | |
B23 | 80-140 cm | Greyish brown (10YR5/2), medium clay; firm consistence (moderately moist); moderately calcareous; pH 9.1. |
pH | Salinity Rating | |||
Surface (A1 horizon) | Slightly Acid | Very Low | Marginally Sodic | None 1 |
Subsoil (B21 horizon) | Moderately Alkaline | Slight | Strongly Sodic | Strong |
Deeper subsoil (at 85+ cm) | Very Strongly Alkaline | Medium | Strongly Sodic | Slight |
Horizon | Horizon Depth | pH (water) | pH CaCl2 | EC dS/m | NaCl % | Exchangeable Cations | Ex Al mg/kg | Ex Ac meq/100g | Field pF2.5 | Wilting Point pF4.2 | Coarse Sand (0.2-2.0mm) | Fine Sand (0.02-0.2mm) | Silt (0.002-0.02mm) | Clay (<0.002mm) | |||
Ca | Mg | K | Na | ||||||||||||||
meq/100g | |||||||||||||||||
A1 | 10-25 | 6.1 | 4.9 | 0.08 | 6.2 | 4 | 0.67 | 0.61 | 32.7 | 13.8 | |||||||
A2 | 25-40 | 6.3 | 4.9 | 0.1 | 4.9 | 5.1 | 0.47 | 1.3 | 27.8 | 12.6 | 5 | 45 | 21 | 28 | |||
A3 | 40-60 | 8.4 | 7.1 | 0.29 | 9.4 | 13 | 1.1 | 5.3 | 45.2 | 23.9 | 3 | 30 | 11 | 53 | |||
B21 | 60-80 | 8.7 | 7.8 | 0.53 | 0.13 | 10 | 16 | 1.2 | 7 | ||||||||
B22 | 80-140 | 9.1 | 8.4 | 0.92 | 0.08 | 19 | 25 | 1 | 13 |