Soil Moisture Probes | LAKE BATHURST
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Lake Bathurst 

Property “Connen Hill”

Situated 10km north of Tarago, “Connen Hill” is a 2000 ha mixed farming operation run by Austin McLennan and his father Ian. Connen Hill has a number of enterprises including wool, prime lambs, beef, cereal grain, canola and hay.

Annual rainfall: 682mm

Altitude: 685m

Soil type: old (inactive) alluvium

(refer to Soil section for further detail)

Pasture type: introduced

(refer to Pasture section for further detail)

 

INTERACTIVE GRAPH

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Landscape

Flat alluvial plain and terrace along the Mulwaree River. Occasional periods of saturation after extended rainfall events; not prone to flooding. Altitude 685m; slope <1%.

 

Vegetation

Natural Grassland

Soil

Summary morphology

Acidic, texture contrast soil with a mottled brownish yellow coloured, weakly structured light clay subsoil. The A horizon is a pale grey brown, bleached massive  silty loam.

Aust. soil classification

Mottled, mesotrophic yellow Kurosol

Factual key

Dy3.41

Soil landscape

Larbert[2] units 5, 6 and 7.

Profile morphology

Horizon

A11

A12

A2

B2

Depth (cm)

0-4

4-18

18-65

65-90+

Texture

Light clay

Silty loam

Silty loam

Silty loam

pH (field)

4.0

4.5

4.5

5.0

Note: The majority of soils on Connen Hill are silty loams with a pH ranging between 4.5 and 5.5 (CaCl2). Paddocks are limed at the beginning of the cropping cycle at a rate of 2.5t/ha. Phosphorous levels range between 20 -40 ppm (Colwell) on improved pastures and 50-100 ppm on lucerne paddocks.

Pasture

Pasture consists of phalaris, cocksfoot and subterranean clover (sown in 2012). The paddock receives single superphosphate every 3 years at a rate of 125kg/ha (last applied in 2016).

Paddock History

 

Livestock/grazing

Paddock is grazed as part of normal farm operations.

[1]NSW Dept of Resources and Energy (2013) Goulburn 1:100,000 Geological Map
[2]Extrapolated from Jenkins B. (1996) Soil Landscapes of the Braidwood 1:100,000 Sheet. DLWC.