Group: Nagambie Landcare Group | |
Australian Soil Classification: Bleached-Sodic (and Mottled), Eutrophic, Grey CHROMOSOL; loamy/clayey | |
Northcote Factual Key: Dy 3.81 | Great Soil Group: no suitable group |
General Landscape Description: The original vegetation included Yellow Box (Eucalyptus melliodora) and Grey Box (E. microcarpa). This site is adjacent to a prior stream channel which has been mined for sand. |
GN14 & 15 Landscape |
A1 | 0-10 cm | Dark brown (10YR3/3); fine sandy loam; massive; firm consistence dry; pH 4.8; abrupt change to: | GN15 Profile |
A2 | 10-30 cm | Light yellowish brown (10YR6/4) conspicuously bleached (5Y8/1d); fine sandy loam; massive (forms a hard capping from 27-30cm); contains very few (<2%) quartz fragments; firm consistence dry; pH 5.7; abrupt and wavy change to: | |
Subsoil | |||
B21 | 30-35 cm | Yellowish brown (10YR5/4) with yellowish brown (10YR5/8) mottles; medium clay; weakly structured; strong consistence dry; pH 5.6; clear change to: | |
B22 | 35-50 cm | Greyish brown (10YR5/2) with bright yellowish brown (10YR5/8) mottles; light clay (sandy); with few (5-10%) quartz fragments; strong consistence dry; pH 5.9; gradual change to: | |
B23 | 50-70 cm | Greyish brown (10YR5/2) with yellowish brown (10YR5/8) mottles; coarse sandy clay loam; indurated; strong consistence dry; with many (35%) quartz fragments (medium sized); gradual change to: | |
2A1 | 70-90 cm | Light grey (10YR7/2) with strong brown (7.5YR5/8) mottles; clayey sand (coarse); very firm consistence dry; abrupt change to: | |
2B2 | 90-105 cm | Light brownish grey (10YR6/2) with strong brown (7.5YR5/8) mottles; silty clay; strong medium polyhedral structure; contains very few (2%) quartz fragments; strong consistence dry; pH 6.7; abrupt change: | |
3A1 | 105+ cm | Pale brown (10YR6/3); coarse sandy clay loam. |
pH | Salinity Rating | |||
Surface (A1 horizon) | very strongly acid | very low | non-sodic | none |
Subsoil (B21 horizon) | moderately acid | very low | non sodic | none |
Deeper subsoil (at 1 m) | slightly acid | low | strongly sodic | strong |