Nitrogen demonstration

2010 - 2011
CC BY 4.0

Research organisaton

Trial details

Researcher(s) Clare Johnston (Liebe Group)
Year(s) 2010 - 2011
Contributor Liebe Group
Trial location(s) Waddy Forest, WA
Nitrogen demonstration locations
Aims

To evaluate the effects of different nitrogen rates over a two year period on a broadacre scale and to assess if lower N inputs depletes the soil of plant available nitrogen.

Key messages
Not specified
Lead research organisation Liebe Group
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

Method

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

Waddy Forest 2010

Sow date Not specified
Harvest date Not specified
Plot size Not specified
Plot replication Not specified
Fertiliser Not specified
Herbicide Not specified

Waddy Forest 2011

Sow date 28 May 2011
Harvest date Not specified
Plot size 500m x 30m
Plot replication 1
Fertiliser

28/5/11: 70 kg/ha Mallee,Plus see treatments under results

Herbicide

28/5/11: 1.5 L/ha Roundup, 1.5 L/ha Treflan, 25 g/ha Logran, 5 g/ha Glean. 18/7/11: 0.5 L/ha Polo, 1 L/ha Jaguar, 20 g/ha Logran

Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Treatment 1
Protein (%) Grain yield (t/ha) Screenings (%)
1 0 L Flexi N 10.3 2.82 1.47
2 10 L Flexi N 10.5 3.28 2.08
3 20 L Flexi N 10.8 3.12 1.06
4 30 L Flexi N 10.3 3.28 1.7
5 40 L Flexi N 10.2 2.99 2.05
6 60 L Flexi N 10.1 2.9 3.03

Grain yield t/ha


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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
Waddy Forest, WA 0 - 10cm Sand over Gravel 5.00 0.04
Waddy Forest, WA 10 - 30cm Sand over Gravel
Soil conditions
Trial site Soil texture
Waddy Forest, WA Sand over gravel
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Waddy Forest, 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 Waddy Forest WA
2011 242.4mm
2010 199.3mm
2009 220.3mm
2008 256.0mm
2007 203.7mm
2006 215.1mm
2005 223.3mm
2004 237.2mm
2003 245.6mm
2002 198.9mm
2001 210.5mm
2000 280.3mm
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

Waddy Forest WA 2011


Observed climate information

Rainfall trial gsr (mm) 317mm

Derived climate information

Waddy Forest 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

2011 trial report



Trial last modified: 06-08-2019 07:54am AEST