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Tidbinbilla

Property “Congwarra”

“Congwarra” is located in the Tidbinbilla Valley, ACT, south of Canberra and runs a self-replacing Merino flock and Angus cows. Pastures are native with subclover and are fertilised every three years.

Annual rainfall: 850mm

Altitude: 660m

Soil type: Coase sandy loam

(refer to soil section for further detail)

Pasture typeNative perennials with sub clover

(refer to pasture section for further detail)

INTERACTIVE GRAPH

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Landscape

Steeply undulating hills with slope grades typically 10-20%, localised areas of boulder outcrop; drained by upper order drainage lines with narrow alluvial flats.

Vegetation

Peppermint (E. radiata), Candlebark (E. rubida) and Brittle Gum (E. mannifera); presently cleared of timber.

Soil

Summary morphology

Acidic uniform coarse sandy soil with a pale brown, massively structured upper and lower layer, grading into highly weathered bedrock.

Aust. soil classification

Acidic orthic Tenosol

Factual key

Uc1.41

Soil landscape

Tharwa[1]

 

Profile morphology

Horizon

A1

B2

C

Depth (cm)

0-12

12-65

65-90+

Texture

Coarse sandy loam

Coarse sandy loam

Coarse light sandy clay loam

pH (field)

5.2

5.5

5.5

Pasture

Native based pasture (mainly microlaena and wallaby grass) with sub clover and annual grasses. The paddock is fertilised every 3rd year with single superphosphate at a rate of 125kg/ha.

Paddock History

As above.

 

Livestock/grazing

The paddock is set stocked or rotational grazed depending on the time of year.

Cook et al. (2016) Soil Landscapes of the Australian Capital Territory, Office of Environment and Heritage, NSW.