Canola response to phosphorus at Gunning Gap

CC BY 4.0

Research organisaton

Trial details

Researcher(s) Ken Motley (NSW Agriculture)
Andrew Rice (CWFS)
Year(s) 2001
Contributor Central West Farming Systems
Trial location(s) Gunning Gap, NSW
Canola response to phosphorus at Gunning Gap locations

To investigate the potential for responses from high rates of P fertiliser.

Key messages
Not specified
Lead research organisation Central West Farming Systems
Host research organisation N/A
Related program N/A
  • Thanks to the trial cooperators Greg Gibson for technical assistance. Arthur Gilmore statistically analysed rt the data.
  • The CWFS group, Oilseeds Research Fund (NSW Grains Board), Grain Growers Association and Hi-Fert Fertilisers funded these trials.

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


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

Gunning Gap 2001

Sow date 26 April 2001
Harvest date Not specified
Plot size Not specified
Plot replication Not specified

300 kg/ha Gypsum presow
50 kg/ha N presow

Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Treatment 1
Grain yield (t/ha)
1 Nil 1.47
2 10 t P/ha 1.63
3 15 t P/ha 1.68
4 20 t P/ha 1.69
5 25 t P/ha 1.71
6 30 t P/ha 1.7
7 40 t P/ha 1.7

Grain yield t/ha

Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Gunning Gap, NSW Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Gunning Gap, 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 Gunning Gap NSW
2001 498.5mm
2000 511.8mm
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.

Gunning Gap NSW


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 last modified: 06-05-2018 18:54pm AEST