Are canola and nitrogen good 'seed bed' fellows

2012

Research organisaton
Funding source

Trial details

Researcher(s) Simon Craig (BCG)
Year(s) 2012
Contributor Birchip Cropping Group
Trial location(s) Sea Lake, VIC
Are canola and nitrogen good 'seed bed' fellows locations
Aims
To determine the effect that urea and GranAm (SOA), deep banded at different rates, has on canola establishment.
Key messages
Applying urea with the seed, even deep banded, can affect establishment and slow growth and development. There was no advantage in applying N at sowing (deep banded). The effects of seed burn on canola are much greater on sandier soils than clay. Dry soils are also more susceptible than wet soils: if applying up-front N, rates should not exceed 10kg N/ha (22kg/ha urea) on 30cm spacing, and seed should be separated by at least three to four centimetres from the nitrogen fertiliser.
Lead research organisation N/A
Host research organisation N/A
Trial funding source BCG members
Related program N/A
Acknowledgments The trial was funded by BCG members through their membership.
Other trial partners Not specified
Download the trial report to view additional trial information

Method

Crop type Oilseed: Canola
Treatment type(s)
  • Fertiliser: Rate
  • Fertiliser: Type
Trial type Experimental
Trial design Randomised,Replicated,Blocked

Sea Lake 2012

Sow date 24 April 2012
Harvest date 19 November 2012
Plot size Not specified
Plot replication 4
Fertiliser 24 April - 50kg/ha MAP (10% N, 21.9% P)
Herbicide 17 April - 2L/ha Triflur X® (all plots) 2 Nov - 1.5L/ha Reglone® (all plots)
Insecticide 17 April - 300ml/ha Chlorpyrifos (pre-sowing) 17 April - 40ml/ha Talstar (post-sowing)
Fungicide 17 April - 400ml/ha Flutriafol (on fertiliser)
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

@T1: Full Flowering @T2: At harvest
# Treatment 1
Treatment 2
Grain yield (t/ha) Oil (%) Test weight (kg/hL) Biomass (kg/ha) Establishment plants (plants/m2)
1 Urea 0 kg N/ha 1.6 45 77 5484 59
1 Urea 5 kg N/ha 1.7 45 67 5067 61
1 Urea 10 kg N/ha 1.8 43 67 5441 50
2 Urea 15 kg N/ha 1.8 43 67 5148 56
2 Urea 20 kg N/ha 1.7 42 67 3496 47
2 Urea 30 kg N/ha 1.4 39 65 2463 48
3 GranAm 0 kg N/ha 1.7 44 62 5484 60
3 GranAm 5 kg N/ha 1.8 44 67 6686 61
3 GranAm 10 kg N/ha 1.7 44 68 6639 57
4 GranAm 15 kg N/ha 1.8 43 67 7690 51
4 GranAm 20 kg N/ha 1.6 41 67 5046 38
4 GranAm 30 kg N/ha 1.7 41 68 3873 48
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Grain yield t/ha


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Biomass kg/ha


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Establishment plants plants/m2


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Oil %


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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
Sea Lake, VIC Sandy loam
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Sea Lake, VIC Lake
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 Sea Lake VIC
2012 549.6mm
2011 587.2mm
2010 588.0mm
2009 526.6mm
2008 500.6mm
2007 499.9mm
2006 528.2mm
2005 565.3mm
2004 518.4mm
2003 516.3mm
2002 469.9mm
2001 498.5mm
2000 473.9mm
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

Derived climate information

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

Sea Lake 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.