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FE1: Humose-Acidic, Dystrophic, Red Ferrosol General description of the soil A deep, strongly structured Red Ferrosol with a low base status (i.e. Dystrophic) in the major part of the B2 horizon which is strongly acid. The A1 horizon is moderately organic (i.e. Humose). Environment and location of the example profile Soil morphology Distribution: Widespread in small areas with high rainfall and basic igneous rocks, extending from Tasmania to the base of Cape York Peninsula. Typical land use: Nature reserve. Where cleared, often used for dairying and in more recent times for a diverse range of horticultural crops. Common variants: A1 horizon development is variable, as is depth of the solum. World Reference Base: Ferralic Nitisol. Other names: Krasnozems. Landform: Undulating low hills. Parent material or substrate: Basalt. Drainage class: Rapidly drained. Surface condition: Soft. Site disturbance: None apparent. Native vegetation: Rainforest. Site location Site climate Horizon Depth (m) Colour Mottles Texture Structure Consistence Coarse fragments Segregations Boundary Grade Shape Size A11 0.00–0.10 dark reddish brown (2.5YR 3/4) – heavy loam strong granular 2–5 mm weak (moist) – – A12 0.10–0.20 dusky red (10R 3/4) – clay loam moderate subangular blocky 2–5 mm weak (mod. moist) – – gradual B11 0.20–0.30 dusky red (10R 3/4) – clay loam weak angular blocky 5–10 mm weak (mod. moist) – – gradual B12 0.30–0.60 dusky red (10R 3/4) – light clay moderate parting to strong angular blocky parting to polyhedral 5–10 mm parting to 2–5 mm weak (moderately moist) – – diffuse B21 0.60–0.90 dusky red (10R 3/4) – light medium clay moderate parting to strong angular blocky parting to polyhedral 5–10 mm parting to 2–5 mm firm – – diffuse B22 0.90–1.20 dusky red (10R 3/4) – medium clay moderate parting to strong angular blocky parting to polyhedral 5–10 mm parting to 2–5 mm firm – – diffuse B23 1.20–2.70 dark red (2.5YR 3/6) – medium clay moderate parting to strong angular blocky parting to polyhedral 5–10 mm parting to 2–5 mm firm – – diffuse B24 2.7–5.55 reddish brown (2.5YR 4/4) – medium clay moderate angular blocky 5–10 mm firm 2–10% soft weathered basalt – BC 5.55–7.95 reddish brown (2.5YR 4/4) – light medium clay 2–10% soft weathered basalt – C 7.95–8.27 weathered basalt
