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Gibberellic acid and grazing in oats

2016

Research organisation
Funding source
Birchip Cropping Group
<abbr title='Grains Research and Development Corporation'>GRDC</abbr>

Trial details

Researcher(s) Genevieve Clarke (BCG)
Jessica Lemon (BCG)
Ashley Wallace (Agriculture Victoria)
Year(s) 2016
Contributor Birchip Cropping Group
Trial location(s) Warmur, VIC
Further information View external link
Gibberellic acid and grazing in oats locations
Aims

To measure effect of gibberellic acid application and grazing timings on the biomass production and feed quality of oats.

Key messages
  • Current knowledge about the effects of gibberellic acid application to oats is limited.
  • In 2016 gibberellic acid had no impact on biomass or feed quality of oats.
  • Exceptional growing conditions and a mild winter may have reduced effects of gibberellic acid.
Lead research organisation N/A
Host research organisation N/A
Trial funding source GRDC DAV00143,SFS00027
Related program Grain & Graze 3
Acknowledgments

This research was funded by the GRDC as part of the Grain & Graze 3 project, BCG members through their membership and Improving practices and adoption through strengthening D & E Capability and delivery in the southern region (RRA)- DAV00143 GRDC DEDJTR Bilateral Research Agreement.
Other trial partners Not specified
Download the trial report to view additional trial information

Method

Crop type Forage: Oats
Treatment type(s)
  • Grazing : Application Method
  • Growth regulator : Timing
Trial type Experimental
Trial design Replicated

Warmur 2016

Sow rate or Target density 130 plants/m²
Sowing machinery

Knife points, press wheels, 30cm row spacing
Sow date 21 April 2016
Harvest date 27 November 2016
Plot size Not specified
Plot replication Not specified
Paddock history 2015 fallow
Fertiliser

Granulock Supreme Z + Impact @ 50kg/ha at sowing urea @ 50kg/ha on 9 July, and 60kg/ha on 29 July
Herbicide

Sowing  Glyphosate 2l/ha, Dual Gold 500ml/ha, Diuron 500ml/ha

27/6  Liase 2%, Lontrel Advanced 75ml/ha, Precept 300EC 700ml/ha, Hasten 1%
Insecticide

9/8  Lorsban 140ml/ha
Fungicide

23/8   Propicon 550EC 230ml/ha

28/9   Propiconazole 230ml/ha
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Treatment 1
Protein (%) Screenings (%) Grain yield (t/ha) Test weight (kg/hL)
1 █ No graze, nil GA 12.4 6.9 3.5 49.2
2 █ Graze, nil GA 12.2 5.1 4.8 51.8
3 █ Graze, GA before 12.1 4.4 4.6 51.3
4 █ Graze, GA after 11.9 5.4 4.4 51.1
5 █ No graze, GA before 12 5.3 3.9 50.5
6 █ No graze, GA after 12.3 5.1 4.2 50.1

Grain yield t/ha

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Protein %

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Screenings %

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Test weight kg/hL

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Observed trial site soil information
Trial site soil testing
Site Depth Type pH EC P K N A OC CAT
Warmur, VIC 0 - 10cm 22.00 1.10
Warmur, VIC 0 - 70cm 56.00
Soil conditions
Trial site Soil texture
Warmur, VIC Clay loam
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Warmur, VIC Calcarosol
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 Warmur VIC
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Climate

Warmur VIC 2016

Observed climate information

Rainfall trial total (mm) 444mm
Rainfall trial gsr (mm) 371mm

Derived climate information

Warmur VIC

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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

2016 trial report