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Using nitrogen applications to manage wheat canopy

2009
CC BY 4.0

Research organisations
Liebe Group CSBP

Trial details

Researcher(s) James Easton (CSBP)
Year(s) 2009
Contributor Liebe Group
Trial location(s) Pithara, WA
Using nitrogen applications to manage wheat canopy locations
Aims

To determine the response of wheat to different Flexi-N strategies at two seeding rates, i.e. canopy management.

Key messages
  • This site was unresponsive to N and there was no significant effect of either seed rate or N timing upon yield.
  • Crop vigour was poor through the season and this was most likely related to subsoil acidity and aluminium toxicity.
  • Plant testing confirmed adequate supply of nutrients.
  •  
Lead research organisation CSBP
Host research organisation N/A
Related program N/A
Acknowledgments

Thanks to the McIlroy family.
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
  • Sowing : Rate
Trial type Experimental
Trial design Replicated

Pithara 2009

Sow date 2 June 2009
Harvest date Not specified
Plot size 20m x 2.5m
Plot replication 3
Fertiliser

Basal 80kg/ha Agstar; Flexi-N applied at seeding (banded), Z14 and Z30
Herbicide

02/06/09: Power Max and Triflur X,22/07/09: Jaguar
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Treatment 1
Treatment 2
Treatment 3
Treatment 4
Hectolitre weight (kg/hL) Protein (%) Screenings (%) Grain yield (t/ha)
1 █ 40 kg Seed █ 0 Flexi-N Banded █ 0 Flexi-N Z14 █ 0 Flexi-N Z30 75 10.3 3.7 2.07
2 █ 40 kg Seed █ 0 Flexi-N Banded █ 80 Flexi-N Z14 █ 0 Flexi-N Z30 73 11.1 4.1 2.08
3 █ 40 kg Seed █ 0 Flexi-N Banded █ 0 Flexi-N Z14 █ 80 Flexi-N Z30 75 11.3 3.8 2.24
4 █ 40 kg Seed █ 0 Flexi-N Banded █ 40 Flexi-N Z14 █ 40 Flexi-N Z30 73 11.3 4.6 2.1
5 █ 40 kg Seed █ 0 Flexi-N Banded █ 80 Flexi-N Z14 █ 80 Flexi-N Z30 75 11 4.2 2.25
6 █ 80 kg Seed █ 0 Flexi-N Banded █ 0 Flexi-N Z14 █ 0 Flexi-N Z30 74 10.4 3.8 2.18
7 █ 80 kg Seed █ 0 Flexi-N Banded █ 80 Flexi-N Z14 █ 0 Flexi-N Z30 75 10.7 3.3 2.27
8 █ 80 kg Seed █ 0 Flexi-N Banded █ 0 Flexi-N Z14 █ 80 Flexi-N Z30 73 11.6 4.8 2.25
9 █ 80 kg Seed █ 0 Flexi-N Banded █ 40 Flexi-N Z14 █ 40 Flexi-N Z30 74 11.2 4.2 2.16
10 █ 80 kg Seed █ 0 Flexi-N Banded █ 80 Flexi-N Z14 █ 80 Flexi-N Z30 75 12.1 3.8 2.13
11 █ 40 kg Seed █ 40 Flexi-N Banded █ 0 Flexi-N Z14 █ 40 Flexi-N Z30 73 10.5 4.8 2.01
12 █ 40 kg Seed █ 40 Flexi-N Banded █ 40 Flexi-N Z14 █ 80 Flexi-N Z30 75 11.3 3.6 2.13
13 █ 80 kg Seed █ 40 Flexi-N Banded █ 0 Flexi-N Z14 █ 40 Flexi-N Z30 75 10.6 3.7 2.29
14 █ 80 kg Seed █ 40 Flexi-N Banded █ 40 Flexi-N Z14 █ 80 Flexi-N Z30 75 11.1 3.3 2.27

Grain yield t/ha

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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
Pithara, WA 0 - 10cm Sandy loam
Pithara, WA 10 - 30cm Sandy loam
Soil conditions
Trial site Soil texture
Pithara, WA Sandy loam
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Pithara, 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 Pithara WA
2009
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Climate

Pithara WA 2009

Observed climate information

Rainfall trial gsr (mm) 201mm

Derived climate information

Pithara 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

2009 trial report