Canola variety by time of sowing in the northern agricultural region


Research organisaton
Funding source

Trial details

Researcher(s) Martin Harries and Mark Seymour
Year(s) 2015
Contributor Northern Agri Group
Trial location(s) Site 16, Binnu, WA
Canola variety by time of sowing in the northern agricultural region locations
  • To see if matching canola variety maturity to sowing time would increase yeilds in the NAR.
  • To compare the response of common RoundupReady (RR) and triazine tolerant (TT) varieties.
Key messages

Early sowing is the key to maximising canola yeild in the Northern Agricultural Region (NAR) All varieties yielded less when sown on April 29 compared to April 14 Yield loss was on average 43kg/ha per day between April 14 and April 29th sowing Using the highest yeilding variety rather than trying to match variety maturity to sowing date was the best option.

Lead research organisation N/A
Host research organisation N/A
Trial funding source GRDC DAW00227
Related program N/A

Stephanie Boyce, Jo Walker and the Geraldton RSU for the trial management and measurements and Nolan Harris and the NAG group for supplying the site.

Other trial partners Not specified
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Crop type Canola
Treatment type(s)
  • Sowing: Timing
  • Variety: Type
Trial type Experimental
Trial design Randomised,Replicated,Blocked

Binnu 2015

Sow rate or Target density 20 plants/m2
Sow date 14 April 2015
Harvest date Not specified
Plot size 18m x 1.54m
Plot replication 4
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Download results

Trial results Table 1

# Treatment 1
Treatment 2
Gross margin ($/ha) Grain yield (kg/ha)
1 Pioneer43Y23 14 April 2016 630 2146
2 Hyola404 14 April 2016 491 1736
3 Hyola559TT 14 April 2016 489 1966
4 Hyola450TT 14 April 2016 405 1804
5 Nuseed GT50 14 April 2016 387 1601
6 Hyola525RT 14 April 2016 379 1581
7 ATRBonito 14 April 2016 377 1632
8 Nuseed GT41 14 April 2016 308 1428
9 Stingray 14 April 2016 221 1308
10 CB Telfer 14 April 2016 147 1073
11 Pioneer43Y23 29 April 2016 236 1344
12 Hyola404 29 April 2016 189 1183
13 Hyola559TT 29 April 2016 224 1413
14 Hyola450TT 29 April 2016 74 1114
15 Nuseed GT50 29 April 2016 39 914
16 Hyola525RT 29 April 2016 130 1117
17 ATRBonito 29 April 2016 39 943
18 Nuseed GT41 29 April 2016 -156 573
19 Stingray 29 April 2016 -94 640
20 CB Telfer 29 April 2016 -19 728

Grain yield kg/ha


Gross margin $/ha

Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Site 16, Binnu, WA Not specified
Derived trial site soil information
Australian Soil Classification Source
Trial site Soil order
Site 16, Binnu, WA Chromosol
National soil grid Source
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



Site 16, Binnu WA 2015

Observed climate information

Rainfall trial gsr (mm) 220mm

Derived climate information

Site 16, Binnu WA

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

Some data on this site is sourced from the Bureau of Meteorology

SILO weather estimates sourced from
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.

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Trial last modified: 25-06-2019 14:27pm AEST