Can we extend the 'haircut' window?

2012
CC BY 4.0

Research organisaton
Funding source
NEAR Project

Trial details

Researcher(s) Paul Blackwell (DAFWA)
Rob Grima (DAFWA)
Chad Reynolds (DAFWA)
Year(s) 2012
Contributor Liebe Group
Trial location(s) East Dalwallinu, WA
Can we extend the 'haircut' window? locations
Aims
  • To test if the ‘window’ is broadened due to seed coating.
  • To test the effect on yield due to timing of ‘haircut’.
Key messages
Not specified
Lead research organisation N/A
Host research organisation N/A
Trial funding source NEAR Project
Related program N/A
Acknowledgments

NEAR project for providing the funding for both trials. Geraldton RSU staff including Steve Cosh, Trevor Bell, Dave Nicholson, Anne Smith and Dirranie Kirby. The Liebe Group and Gareth Rowe for the sites. Katherine Ayres for data collection. Peter Newman for trial development.


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

Method

Crop type Cereal (Grain): Wheat
Treatment type(s)
  • Herbicide: Timing
  • Herbicide: Type
  • Seed treatment: Inoculant
Trial type Experimental
Trial design Replicated

East Dalwallinu 2012

Sow rate or Target density 80
Sow date 22 May 2012
Harvest date Not specified
Plot size 20m x 1.54m
Plot replication 4
Psuedoreplication Not specified
Paddock history 2009 wheat, 2010 wheat, 2011 canola
Fertiliser

22/5/12: 80 kg/ha Agstar Extra banded,50 kg/ha Urea top dressed, 25 kg/ha Muriate/Potash top dressed

Herbicide

4 Herbicide treatments 

  • 15/6/12: 1 L/ha Sprayseed - Nil to 0.5 leaf
  • 19/6/12: 1 L/ha Sprayseed - 1 leaf
  • 25/6/12: 1 L/ha Sprayseed - 1.5 to 2 leaf
  • 23/7/12:  700 mL/ha Barracuda, 2.5 g/ha Ally
Insecticide

22/5/12: 0.2 L/ha Talstar and 0.1 L/ha Dominex IAS

Seed treatment

4 Seed treatments

Acrylic paving sealer + 5% surfactant per 3kg grain 

  • Nil
  • 200mL
  • 2 x 200mL 
  • 400mL
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Treatment 1
Treatment 2
Protein (%) Grain yield (t/ha) Establishment plants (plants/m2) Hectolitre weight (kg/hL) Screenings (%) Weeds (plants/m2)
1 1 L/ha Spseed: 200ml 1 leaf 13.1 2.96 101 79.04 3.85 33
2 1 L/ha Spseed: 200ml x 2 1 leaf 12.8 2.64 89 79.84 3.54 25
3 1 L/ha Spseed: 400ml 1 leaf 12.8 2.96 107 79.59 3.63 22
4 1 L/ha Spseed: No coating 1 leaf 12.9 2.76 154 79.85 3.79 55
5 1 L/ha Spseed: 200ml ½ leaf 12.7 2.73 142 79.61 3.41 20
6 1 L/ha Spseed: 200ml x 2 ½ leaf 12.8 3.12 67 79.24 3.86 62
7 1 L/ha Spseed: 400ml ½ leaf 13 3.34 70 79.09 3.83 151
8 1 L/ha Spseed: No coating ½ leaf 12.6 2.95 167 79.9 3.75 118
9 1 L/ha Spseed: 200ml 1½ leaf 13.5 1.68 152 78.69 4.33 204
10 1 L/ha Spseed: 200ml x 2 1½ leaf 13.2 1.89 96 79.79 3.67 105
11 1 L/ha Spseed: 400ml 1½ leaf 13.4 1.72 78 79.06 3.86 147
12 1 L/ha Spseed: No coating 1½ leaf 13.5 0.53 129 78.6 4.59 285
13 No spray: 200ml 13.3 3.35 181 78.4 4.11 230
14 No spray: 200ml x 2 12.7 3.09 113 79.5 3.51 101
15 No spray: 400ml 12.3 3.34 88 79.97 3.88 341
16 No spray: No coating(Control) 12.7 3.21 189 79.94 3.42 88

Grain yield t/ha


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Establishment plants plants/m2


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Hectolitre weight kg/hL


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Protein %


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Screenings %


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Weeds plants/m2


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Observed trial site soil information
Trial site soil testing
Site Depth Type pH EC P K N A OC CAT
East Dalwallinu, WA 0 - 10cm Sandy loam 5.40 0.09
East Dalwallinu, WA 10 - 30cm Sandy loam 6.70
Soil conditions
Trial site Soil texture
East Dalwallinu, WA Sandy loam
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
East Dalwallinu, WA Kandosol
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 East Dalwallinu WA
2012 309.7mm
2011 288.9mm
2010 265.3mm
2009 286.5mm
2008 314.0mm
2007 276.0mm
2006 277.8mm
2005 242.3mm
2004 259.5mm
2003 282.6mm
2002 232.5mm
2001 266.2mm
2000 340.9mm
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

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Climate

East Dalwallinu WA 2012


Observed climate information

Rainfall trial gsr (mm) 133mm

Derived climate information

East Dalwallinu WA

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

SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/
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 report and links

2012 trial report



Trial last modified: 11-09-2017 13:14pm AEST