In-season nitrogen on wheat on paddock management zones

2006
CC BY 4.0

Research organisatons
Funding source

Trial details

Researcher(s) Michael Robertson (CSIRO)
Kathy Wittwer (CSIRO)
Year(s) 2006
Contributor Liebe Group
Trial location(s) West Buntine, WA
In-season nitrogen on wheat on paddock management zones locations
Aims

To evaluate the response of wheat (yield and protein) in different paddock management zones to in-season application of nitrogen fertilizer, using the Yield Prophet system as a guide.

Key messages

There was a small discernable response in early season biomass to N applied at seeding at the sampling on 29 August August.

Lead research organisation Commonwealth Scientific and Industrial Research Organisation
Host research organisation N/A
Trial funding source GRDC SIP09
Related program N/A
Acknowledgments

Thanks to Stuart McAlpine, Brianna Peake with assistance with Yield Prophet simulations, CBH for grain analysis, GRDC for funding through the SIP09 Precision Agriculture Initiative.

  • Paper reviewed by Yvette Oliver.

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

Method

Crop type Cereal (Grain): Wheat
Treatment type(s)
  • Fertiliser: Rate
  • Fertiliser: Timing
Trial type Experimental
Trial design Replicated

West Buntine 2006

Sow rate or Target density 70 kg/ha
Sow date 30 May 2006
Harvest date Unknown
Plot size Not specified
Plot replication 4
Fertiliser

Various

Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Treatment 1
Treatment 2
Gross margin ($/ha) Hectolitre weight (kg/hL) Screenings (%) Harvest index (value) Protein (%) Grain yield (t/ha)
1 Deep Yellow Sand 9 + 0 + 0 kg/ha N 90 83 3.4 0.45 9.9 1.07
2 Shallow Gravel 9 + 0 + 0 kg/ha N 90 83 3.7 0.47 11.2 1.1
3 Shallow Gravel 9 + 0 + 21 kg/ha N 63 79 5.5 0.45 11.1 0.93
4 Deep Yellow Sand 9 + 25 + 0 kg/ha N 58 81 4.8 0.43 12 1.13
5 Shallow Gravel 9 + 25 + 0 kg/ha N 58 83 2.2 0.47 10.3 1.18

Grain yield t/ha


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Gross margin $/ha


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Harvest index value


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Hectolitre weight kg/hL


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Protein %


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Screenings %


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Observed trial site soil information
Trial site soil testing
Site Depth Type pH EC P K N A OC CAT
West Buntine, WA 0 - 10cm Various
West Buntine, WA 10 - 30cm Various
Soil conditions
Trial site Soil texture
West Buntine, WA Various
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
West Buntine, WA Kandosol
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 West Buntine WA
2006 121.6mm
2005 129.5mm
2004 127.1mm
2003 134.6mm
2002 111.9mm
2001 141.7mm
2000 196.1mm
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

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Climate

West Buntine WA 2006


Observed climate information

Rainfall trial gsr (mm) 144mm

Derived climate information

West Buntine 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

2006 trial report



Trial last modified: 23-01-2023 14:50pm AEST