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Nutrient omission in canola

2015
CC BY 4.0

Research organisations
West Midlands Group CSBP

Trial details

Researcher(s) James Easton (CSBP)
Jonathon Wyber (CSBP)
Year(s) 2015
Contributor West Midlands Group
Trial location(s) Dandaragan, WA
Nutrient omission in canola locations
Aims

To determine the relative importance of nitrogen (N), phosphorus (P), potassium (K) and sulphur (S) in canola.

Key messages
  • The site was very responsive to nitrogen (N) fertiliser. Increasing N inputs from 12 to 75 kg N/ha increased yields by about 0.36 t/ha
  • NUlogic suggested very little response to P and K after soil testing. It is important to be soil testing at least every 3-4 years so that fertiliser rates recommended are applied for maximum economic returns to the grower.
  • Tissue tests on the 3rd July indicated marginal S deficiency in the no S treatments but there was no yield response.
  • Wind and rain after seeding caused furrow fill resulting in poor germination (5-15 plants m²).
  • Yield potential  probably limited by low soil pH
  • Decile 1 rainfall year for the area, interpret results accordingly.
  • Quality analysis not yet available.
Lead research organisation CSBP
Host research organisation West Midlands Group
Related program N/A
Acknowledgments

Ryan Guthrie (Senior Agricultural officer) and the Field Research team.
Other trial partners Not specified
Download the trial report to view additional trial information

Method

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

Dandaragan 2015

Sow rate or Target density 3kg/ha
Sowing machinery

CSBP Conserva Pac cone seeder.
Sow date 12 May 2015
Harvest date 5 November 2015
Plot size 2.5m x 20m
Plot replication 3
Fertiliser

June 25: NS41 and Urea, August 4: Flexi N.
Herbicide

1L/ha Powermax, 2L/ha Treflan, 2L/ha Atrazine, 300ml/ha Lorsban.
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
Dandaragan, WA Sand over sandy loam
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Dandaragan, WA Tenosol
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 Dandaragan WA
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Climate

Dandaragan WA 2015

Observed climate information

Rainfall trial gsr (mm) 325mm

Derived climate information

Dandaragan WA

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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.

Trial report and links

2015 trial report



Trial last modified: 23-07-2019 14:15pm AEST