Canola oil manipulation


Research organisaton

Trial details

Researcher(s) N/A
Year(s) 1997
Contributor Birchip Cropping Group
Trial location(s) Watchupga East, VIC
Canola oil manipulation locations

To determine whether high rates of P and N fertiliser result in a yield and oil benefit.

Key messages

Growing canola successfull requires that:

  • suphur levels are optimum
  • zinc levels are adequate
  • P levels are adequate
  • N levels are optimum
Lead research organisation N/A
Host research organisation N/A
Related program N/A
Acknowledgments N/A
Other trial partners Not specified
Download the trial report to view additional trial information


Crop type Oilseed: Canola
Treatment type(s)
  • Fertiliser: Application Method
Trial type Experimental
Trial design Unknown

Watchupga East 1997

Sow date Not specified
Harvest date Not specified
Plot size Not specified
Plot replication Not specified
Psuedoreplication Not specified
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Treatment 1
Treatment 2
Protein (%) Oil (%) Grain yield (t/ha)
1 P @ 19kg/ha N @ 46kg/ha 28.2 36.9 0.95
2 P @ 19kg/ha N @ 92kg/ha 27.7 37.8 1
3 P @ 10kg/ha N @ 46kg/ha 27.6 37.7 0.8
4 P @ 20kg/ha N @ 46kg/ha 27.9 38.1 0.98
5 P @ 30kg/ha N @ 46kg/ha 28.1 37.4 0.87

Grain yield t/ha


Oil %


Protein %

Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Watchupga East, VIC Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Watchupga East, VIC Calcarosol
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



Derived climate information

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

Watchupga East VIC

CAUTION: Trial site locality unknown; Climate data sourced from Birchip Cropping Group office location

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.

Trial report and links

1997 trial report