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Nitrogen x sowing rate trial in barley and wheat

2002
CC BY 4.0

Research organisation
Funding source
Southern Farming Systems
<abbr title='Grains Research and Development Corporation'>GRDC</abbr>

Trial details

Researcher(s) Wes Arnott (SFS)
Dominic Bolton (SFS)
Steve Dickson (Agvise Services)
Colin Hacking (SFS)
Peter O'Loughlin (FAR)
Nick Pyke (FAR)
Penny Riffkin (DPI)
Year(s) 2002
Contributor Southern Farming Systems
Trial location(s) Gnarwarre, VIC
Hamilton, VIC
Nitrogen x sowing rate trial in barley and wheat locations
Aims

To determine the effect of sowing rate, nitrogen fertiliser rate and timing on wheat and barley crop establishment, tiller production, head counts at harvest, grain yield and grain quality.

Key messages
  •  Delaying post sowing applications of nitrogen (92 kg/ha N) to the flag leaf stage for both Kellalac and MacKellar at the Gnarwarre site, resulted in the best grain yield and grain quality.
  • Application of nitrogen (35 kg/ha N) to barley at the early jointing stage (GS32), gave the best grain yield and quality at Gnarwarre.
  • Late nitrogen applications appeared to result in more flower sites (florets) filling with grain for both wheat and barley. 
  • For further conclusions please see the attached trial report.
Lead research organisation N/A
Host research organisation N/A
Trial funding source GRDC
Related program N/A
Acknowledgments N/A
Other trial partners Not specified
Download the trial report to view additional trial information

Method

Crop types Cereal (Grain): Barley Cereal (Grain): Wheat
Treatment type(s)
  • Fertiliser : Rate
  • Sowing : Rate
Trial type Experimental
Trial design Randomised,Replicated,Blocked

Gnarwarre 2002 Barley

Sow date 6 June 2002
Harvest date Unknown
Plot size Not specified
Plot replication Not specified

Gnarwarre 2002 Wheat

Sow date 6 June 2002
Harvest date Not specified
Plot size Not specified
Plot replication Not specified

Gnarwarre 2002 Wheat

Sow date Not specified
Harvest date Not specified
Plot size Not specified
Plot replication Not specified

Hamilton 2002 Wheat

Sow date 20 June 2002
Harvest date Not specified
Plot size Not specified
Plot replication Not specified

Hamilton 2002 Barley

Sow date Not specified
Harvest date Not specified
Plot size Not specified
Plot replication Not specified
Download the trial report to view additional method/treatment information

Download results

Trial results Gnarwarre results for barley

# Variety
 Treatment 1
Protein (%) Screenings (%) Grain yield (t/ha) Test weight (kg/hL)
1 █ Gairdner █ 15 kg/ha Nitrogen at sowing + 35 kg/ha N at early jointing (GS32) 8.708 5.602 6.208 69.58
2 █ Gairdner █ 15 kg/ha Nitrogen at sowing + 35 kg/ha N at early head emergence (GS42) 9.533 3.685 6.117 70.27
3 █ Gairdner █ 90kg/ha sowing rate 8.708 4.748 5.971 69.8
4 █ Gairdner █ 60kg/ha sowing rate 8.817 4.607 5.867 67.15
5 █ Gairdner █ 120kg/ha sowing rate 8.525 4.145 5.867 69.98
6 █ Gairdner █ 15 kg/ha Nitrogen at sowing 7.808 4.214 5.379 67.08

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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Trial results Gnarwarre results for wheat

# Variety
 Protein (%) Screenings (%) Grain yield (t/ha) Test weight (kg/hL)
1 █ Mackellar █ 15 kg/ha N at sowing + 92 kg/ha at flag (GS39) 9.408 5.248 5.345 76.98
2 █ Mackellar █ 15 kg/ha N at sowing + 46 kg/ha N at late tillering (GS30) 8.692 5.598 5.08 76.57
3 █ Mackellar █ 15 kg/ha N at sowing + 46 kg/ha N at flag (GS39) + 46 kg/ha N at flowering (GS45) 9.558 4.982 4.845 77.53
4 █ Kellalac █ 15 kg/ha N at sowing + 92 kg/ha at flag (GS39) 9.65 3.311 4.769 78
5 █ Mackellar █ 15 kg/ha N at sowing + 46 kg/ha N at flowering (GS45) 8.717 5.853 4.755 77.13
6 █ Mackellar █ 15 kg/ha N at sowing + 46 kg/ha N at flag (GS39) 8.4 6.097 4.721 76.05
7 █ Kellalac █ 15 kg/ha N at sowing + 46 kg/ha N at late tillering (GS30) 8.608 3.611 4.689 77.57
8 █ Kellalac █ 15 kg/ha N at sowing + 46 kg/ha N at flag (GS39) + 46 kg/ha N at flowering (GS45) 9.883 3.955 4.608 77.88
9 █ Kellalac █ 15 kg/ha N at sowing + 46 kg/ha N at flag (GS39) 9.117 4.028 4.551 77.92
10 █ Kellalac █ 15 kg/ha N at sowing + 46 kg/ha N at flowering (GS45) 9.125 4.448 4.457 77.8
11 █ Mackellar █ 15 kg/ha Nitrogen at sowing 7.283 5.983 4.328 75.75
12 █ Kellalac █ 15 kg/ha Nitrogen at sowing 7.933 4.633 4.167 76.25

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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Trial results Hamilton results for wheat

# Variety
 Protein (%) Grain yield (t/ha) Test weight (kg/hL)
1 █ Kellalac █ 15 kg/ha N at sowing + 92 kg/ha at flag (GS39) 13.31 5.04 74.45
2 █ Kellalac █ 15 kg/ha N at sowing + 46 kg/ha N at flag (GS39) 12.72 5.038 74.82
3 █ Kellalac █ 15 kg/ha N at sowing + 46 kg/ha N at flag (GS39) + 46 kg/ha N at flowering (GS45) 13.03 4.995 74.78
4 █ Kellalac █ 15 kg/ha N at sowing + 46 kg/ha N at flowering (GS45) 12.61 4.928 75.07
5 █ Kellalac █ 15 kg/ha Nitrogen at sowing 12.56 4.833 74.77
6 █ Kellalac █ 15 kg/ha N at sowing + 46 kg/ha N at late tillering (GS30) 13 4.763 74.83

Grain yield t/ha

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Protein %

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Test weight kg/hL

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Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Gnarwarre, VIC Not specified
Hamilton, VIC Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Gnarwarre, VIC Chromosol
Hamilton, VIC Kurosol
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 Gnarwarre VIC Hamilton VIC
2002
2001
2000

Climate

Derived climate information

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

Gnarwarre VIC

Hamilton VIC

Gnarwarre VIC

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Hamilton VIC

NOTE: Exact trial site locality unknown - Climate data may not be accurate
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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

2002 trial report

2002 trial report

2002 trial report



Trial last modified: 02-02-2023 16:38pm AEST