17ES17 Retaining canola seed


Research organisaton
Funding source

Trial details

Researcher(s) Mark Seymour
Year(s) 2017
Contributor Department of Primary Industries and Regional Development WA
Trial location(s) Grass Patch, WA
17ES17 Retaining canola seed locations
  • To determine if retaining canola seed leads to reduced yield, oil and financial return.
Key messages
  • Farmers can continue to use retained OP seed for at least three years.
Lead research organisation Department of Primary Industries and Regional Development WA
Host research organisation N/A
Trial funding source GRDC DAW00227
Related program Tactical Break Crop Agronomy

This trial is one of a series conducted throughout WA as part of the GRDC/DAFWA co-funded project “Tactical Break Crop Agronomy in Western Australia”.  Thanks to the Esperance TSU for trial management and the Sanderson family for their continued support in providing trial sites.  Pam Burgess (DAFWA. Esperance) provided technical assistance to ensure all treatments and measurements occurred in a timely and accurate fashion.

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


Crop type Oilseed: Canola
Treatment type(s)
  • Farm operations: Risk Management
Trial type Experimental
Trial design Randomised,Replicated,Blocked

Grass Patch 2017

Sow rate or Target density 40 plants/m².
Sow date 28 April 2017 28 April 2017
Harvest date Not specified
Plot size Not specified
Plot replication 4
Download the trial report to view additional method/treatment information
Trial source data and summary not available
Check the trial report PDF for trial results.
Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Grass Patch, WA Loam
Derived trial site soil information
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 Grass Patch WA
2017 463.7mm
2016 462.8mm
2015 453.2mm
2014 418.8mm
2013 460.1mm
2012 431.4mm
2011 402.2mm
2010 424.7mm
2009 469.0mm
2008 451.2mm
2007 424.5mm
2006 440.3mm
2005 403.8mm
2004 450.0mm
2003 487.7mm
2002 460.3mm
2001 442.3mm
2000 478.4mm
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



Grass Patch WA 2017

Observed climate information

Rainfall avg gsr (mm) 232mm

Derived climate information

Grass Patch WA


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: 28-05-2019 15:11pm AEST