Stillards Loam is the lowest member of the catena (slope sequence of hill soils) and is yellow in colour. The gentle to moderate slopes make the soil type externally well drained. The soil type appears to develop on parts of the hills receiving extra water from surface runoff.
Typical landscape associated with the Stillards Loam mapping unit. |
Surface | ||
A1 | 0-20 cm | Dark dull brown (10YR4/4) to grey-brown loam sometimes increasing to clay loam; 15 to 35 cm thick; where thicker than 20 cm the horizon has been differentiated into a surface horizon as above, and a brown (7.5YR5/6) or yellowish brown diffusely mottled subsurface; slight buckshot irregularly present; usually grading to: |
Subsoil | ||
B21 | 20-75 cm | Brown or yellowish brown diffusely mottled clay, usually increasing somewhat in texture with depth, and becoming more yellow at about 40 cm; crumbly when moist; scattered buckshot; sharply separated from: |
B22 | 75-120 cm | Grey and yellowish brown or brown mottled clay; dense, well organised usually breaking up into small, distinct peds when moist; scattered black inclusions; trace of calcium carbonate irregularly present. |