Soil Moisture Probes | Taralga
15762
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Taralga

Property “Wowagin”

Wowagin is located in the Taralga District of the Southern Tablelands, approximately 9km West of Taralga, 24km East of Crookwell and 38km North of Goulburn .

 

The property is owned and managed in partnership by Bryn and Karina Rees in a partnership with Bryn’s father, Dave. The main enterprises are beef cattle breeding, steer finishing and prime lamb production. Over the last 17 years the stocking rate over the whole property has increased from an average of 7.5DSE per Ha to its current 18DSE per Ha.

 

Soils on Wowagin are predominantly shaley, duplex soils with the A horizon consisting of a grey loam ranging anywhere from 10 to 30cm deep. The B horizon is an orange/yellow clay that acts like a natural plough pan. The creek flats have a deeper alluvial loam.

Annual rainfall:  780mm

Altitude:  860 – 990m

Soil type:

White quartzite and quartzitic sandstone

(refer to soil section for further detail)

Pasture type: Improved

(refer to pasture section for further detail)

INTERACTIVE GRAPH

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Landscape

Undulating, elevated terrain with broad flat ridgelines and long gently to moderately graded hillslopes, draining to shallow depressions and swampy drainage lines. Probe site is situated on a flat ridge crest, slope gradient 1-3%.

Vegetation

Partially cleared Peppermint (E. radiata) and Yellow Box (E. melliodora) woodland.

Soil

Summary morphology

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

Aust. soil classification

Mottled, mesotrophic yellow Kurosol

Factual key

Dy3.41

Soil landscape

Tarlo[1]

Profile morphology

Horizon

A1

A21

B22

B2

C

Depth (cm)

0-4

4-25

25-35

35-70

70+

Texture

Silty loam

Silty loam

Silty loam

Light clay

Light clay

pH (field)

4.5

4.5

5.0

5.0

5.0

Pasture

The pasture improvement strategy at Wowagin consists of:

  1. The higher production alluvial flats are sown to annual ryegrass, turnips, Italian ryegrass and forage rape in a rotation.

 

  1. The slopes are sown to annual ryegrass or oats for 2-3 years as a clean-up phase before being sown to Tall fescue and sub-clover based pastures.
  2. The least productive soils on the hills are currently naturalised pastures consisting of the native species Themeda, Danthonia and Microlaena with introduced grasses including phalaris, cocksfoot, tall fescue, perennial ryegrass, and legumes being predominantly sub-clover but with white clover in the lower, wetter areas. Grass weeds such as vulpia and barley grass are a major problem. The paddock where the probe is located is in this area.

Paddock History

Soil testing is carried out in six paddocks annually. Fertilizer is applied annually. The rate of phosphorus and sulphur applied is based on a combination of these soil test results and the annual stocking rate for each individual paddock.

 

Livestock/grazing

All paddocks on the property are rotationally grazed. The higher production areas, consisting of pasture species with higher energy and protein, are preferably grazed by stock with higher nutritional requirements eg. pregnant ewes, ewes with lamb at foot, weaned lambs, weaned/growing cattle. The lower production areas are grazed by dry cows, dry ewes, and cows in the first two trimesters of pregnancy.

[1] Hird, C. (1989) Soil Landscapes of the Goulburn 1:250,000 Sheet. Soil Conservation Service of NSW