Optimising growth and avoiding stress to canola through sowing date, variety choice and nitrogen management

2017

Research organisatons
Funding sources

Trial details

Researcher(s) Warren Bartlett
Rohan Brill
John Kirkegaard
Julianne Lilley
Danielle Malcolm
Don McCaffery
Year(s) 2017
Contributor Department of Primary Industries NSW
Trial location(s) Ganmain, NSW
Further information View external link
Optimising growth and avoiding stress to canola through sowing date, variety choice and nitrogen management locations
Aims

To determine the optimum combination of sowing date, nitrogen management and variety for growth, grain yield and oil concentration in Canola.

Key messages

• Highest yields were obtained when flowering started in early to mid-August. Treatments that flowered in July were affected by frost and treatments that flowered in September were affected by heat and drought.

• The strongest yield response to nitrogen was on treatments that flowered in early to mid-August.

• Hybrids tended to recover better from frost damage than open-pollinated (OP) triazine tolerant (TT) varieties, but flowering date and nitrogen management were more important to maximise yield potential than variety type.

• The highest oil concentration was obtained from varieties that flowered in early to mid-August.
 

Ganmain NSW 2017

Although rainfall was low and frost incidence and severity was high in 2017, canola was still a productive option for growers. The yield response from correctly matching sowing date with phenology was the main message from 2017, reaffirming a consistent result from canola research conducted in recent years. Growers are advised to aim to have crops flowering close to the optimum start of flowering date for the environment in which they are grown; these dates are summarised in the E-Book 10 tips for early sown canola (Lilley et al. 2017). Secondly, benefits are obtained by managing the crop with optimum nitrogen fertility. Finally, with those factors in place, hybrid varieties can take grain yield to the next level, but varietal choice is not a ‘silver bullet’ in isolation.

Lead research organisation Department of Primary Industries NSW
Host research organisation CSIRO - Plant Industry
Trial funding source GRDC CSP00187
Trial funding source DPI NSW
Related program Optimised Canola Profitability Project
Acknowledgments

This experiment was part of the project ‘Optimised canola profitability’, CSP00187, 2014–19. The project is a collaborative partnership between GRDC, NSW DPI, CSIRO and SARDI. Thanks to technical assistance from Sharni Hands, John Bromfield, Dylan Male, Tom Quinn and Sophie Prentice. Thanks to experiment cooperators Dennis and Dianne Brill.


Other trial partners SARDI
Download the trial report to view additional trial information

Method

Crop type Oilseed: Canola
Treatment type(s)
  • Crop: Variety
  • Fertiliser: Rate
  • Sowing: Timing
Trial type Experimental
Trial design Replicated

Ganmain 2017

Sow date Multiple - please see report
Harvest date Unknown
Plot size Not specified
Plot replication Not specified
Fertiliser

Starter fertiliser: 100 kg/ha MAP (mono-ammonium phosphate) (11% nitrogen [N], 22.7% phosphorus [P], 2% sulfur [S]), treated with 2.8 L/tonne flutriafol (500 g/L)
 

Other trial notes

This research paper is an extract from the publication Southern NSW Research Results 2018, available at
https://www.dpi.nsw.gov.au/agriculture/broadacre-crops/guides/publications/southern-nsw-research-results

Download the trial report to view additional method/treatment information

Download results

Trial results Oil concentration (%) of eight canola varieties sown at SD1: 8 Apr across two N rates) at Ganmain, 2017.

# Treatment 1
Oil (%)
1 Nuseed Diamond 36.5
2 ATR Stingray 37
3 ATR Bontio 39.9
4 Pioneer 44Y90 (CL) 41
5 Hyola 600RR 42.2
6 Pioneer 45Y25 (RR) 42.1
7 ATR Wahoo 42.8
8 Archer 43.3

Oil %


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Trial results Oil concentration (%) of eight canola varieties sown at SD2: 26 Apr across two N rates) at Ganmain, 2017.

# Treatment 1
Oil (%)
1 Nuseed Diamond 39.2
2 ATR Stingray 40.2
3 ATR Bontio 43
4 Pioneer 44Y90 (CL) 43
5 Hyola 600RR 45.7
6 Pioneer 45Y25 (RR) 44.4
7 ATR Wahoo 44.4
8 Archer 42.5

Oil %


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Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Ganmain, NSW Chromosol
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Ganmain, NSW Chromosol
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 Ganmain NSW
2017 432.9mm
2016 446.4mm
2015 388.6mm
2014 377.0mm
2013 423.1mm
2012 507.6mm
2011 535.4mm
2010 494.0mm
2009 381.2mm
2008 383.6mm
2007 332.9mm
2006 354.3mm
2005 380.6mm
2004 345.9mm
2003 353.9mm
2002 364.3mm
2001 404.0mm
2000 418.5mm
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.

Ganmain NSW

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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 last modified: 08-06-2023 13:57pm AEST