Capstan barley nitrogen response trial

2008
CC BY 4.0

Research organisaton

Trial details

Researcher(s) Sam Cockayne (SFS)
Jon Midwood (SFS)
Gary Sheppard (SFS)
Mark Steele (SFS)
Rohan Wardle (SFS)
Year(s) 2008
Contributor Southern Farming Systems
Trial location(s) Dunkeld, VIC
Capstan barley nitrogen response trial locations
Aims

This trial compared 10 different nitrogen strategies consisting of a number products, rate and timings to determine the optimal strategy
for the site and season.

Key messages

Overall, the mean yield of the trial was 6.89t/ha, with the single application treatment of 40kgN/ha (urea) at GS33 achieving the highest yield of 7.18t/ha, or 104% of the site mean. The untreated nitrogen strategy yielded 6.82t/ha, which was the 6th highest yield, suggesting that additional nitrogen in higher rate instances may have caused haying off, as additional nitrogen reduced yield for four of the trial treatments.

Lead research organisation N/A
Host research organisation N/A
Related program N/A
Acknowledgments

Thanks to Doug MacArthur for providing the land for this trials programme.


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

Method

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

Dunkeld 2008

Sow date 23 May 2008
Harvest date 6 January 2009
Plot size 13m x 1.45m
Plot replication Not specified
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Variety
Treatment 1
Test weight (kg/hL) Screenings (%) Grain yield (t/ha) Retention (%) Protein (%)
1 Capstan Control (Nil N) 59.8 6.3 6.82 80 11.6
2 Capstan 80 N urea @ GS33; 40 N UAN @ 37 60 6.9 6.68 78 13.6
3 Capstan 80 N urea @ GS 33; 40 N urea @ GS 37 59.4 6.5 7.09 79 13.3
4 Capstan 80 N urea @ GS 33 61.3 4.3 6.97 85 12.7
5 Capstan 40 N urea @ GS33; 80 N urea @ GS37 59.9 5.9 6.74 82 12.7
6 Capstan 40 N urea @ GS33; 40 N urea @ GS37 61.4 5.7 7.1 85 12.4
7 Capstan 40 N urea @ GS33 60.7 5 7.18 84 12
8 Capstan 40 N UAN @ GS33; 40 N UAN @ GS37 59.8 6 6.82 80 12.6
9 Capstan 40 N UAN @ GS33 60.4 5.3 6.86 83 11.5
10 Capstan 100 N urea @ GS33; 60N urea @ GS37 60.2 6.8 6.65 77 14

Grain yield t/ha


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Protein %


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Retention %


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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
Not specified
Soil conditions
Trial site Soil texture
Dunkeld, VIC Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Dunkeld, VIC 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 Dunkeld VIC
2008 626.2mm
2007 628.2mm
2006 579.1mm
2005 579.6mm
2004 600.7mm
2003 622.2mm
2002 595.6mm
2001 618.8mm
2000 614.6mm
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

Derived climate information

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

Dunkeld 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

2008 trial report



Trial last modified: 06-11-2019 13:42pm AEST