Yuna trial results - frost


Research organisaton

Trial details

Researcher(s) Sharon Conning (Landmark)
Year(s) 2010
Contributor North East Farming Futures
Trial location(s) Yuna, WA
Yuna trial results - frost locations

To determine if any specific treatments reduced the impact of frost.

Key messages
  • There have been findings that Wyalkatchem is generally more frost prone than other varieties.
  • If you are cropping a high frost risk area, good management would suggest minimising input costs (e.g. fertiliser) in these areas.
  • Due to the large LSD there were no statistically different treatments. However there seems to be a trend that the lower seeding rate improved yield.
  • There was no significant yield difference between retaining stubble and burning the stubble at both seeding rates.
Lead research organisation North East Farming Futures
Host research organisation N/A
Related program N/A
  • Ash Eastough for seeding, spraying and harvesting the trial 
  • Sharon Conning (Landmark)
  • Ben Biddulph (DAFWA)
  • Agribusines support by Bernie Quade of Landmark


Other trial partners Not specified
Download the trial report to view additional trial information


Crop type Wheat
Treatment type(s)
  • Frost
Trial type Experimental
Trial design Replicated

Yuna 2010

Sow rate or Target density Stubble Retained 50 and 100kg seeding rates, Stubble Burnt 50 and 100kg seed
Sow date 20 May 2010
Harvest date Not specified
Plot size Not specified
Plot replication 3

80kg 70Maprite/18MaxAm/12MoP Blend + 50L UAN (58N, 9.3P, 20K, 15S)

Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Treatment 1
Grain yield (t/ha)
1 Stubble retained 100kg seed 1.93
2 Burnt 100kg seed 1.92
3 Stubble retained 50kg seed 2.06
4 Burnt 50kg seed 2.2

Grain yield t/ha

Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Yuna, WA Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Yuna, WA Tenosol
Soil Moisture Source: BOM/ANU
Average amount of water stored in the soil profile during the year, estimated by the OzWALD model-data fusion system.
Year Yuna WA
2010 61.5mm
2009 60.9mm
2008 94.3mm
2007 60.1mm
2006 64.5mm
2005 83.0mm
2004 70.6mm
2003 75.6mm
2002 65.3mm
2001 49.9mm
2000 85.4mm
National soil grid Source: CSIRO/TERN
NOTE: National Soil Grid data is aggregated information for background information on the wider area
Actual soil values can vary significantly in a small area and the trial soil tests are the most relevant data where available

Soil properties



Derived climate information

No observed climate data available for this trial.
Derived climate data is determined from trial site location and national weather sources.

Yuna WA


Some data on this site is sourced from the Bureau of Meteorology

SILO weather estimates sourced from
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol 16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.

Trial last modified: 25-06-2019 12:02pm AEST