Growing wheat and barley after serradella – does extra nitrogen help?

2017 - 2018

Research organisation
Funding sources

Trial details

Researcher(s) Adrian Rossi
Contact email Vanessa.stewart@dpird.wa.gov.au
Year(s) 2017 - 2018
Contributor Department of Primary Industries and Regional Development WA
Trial location(s) Yallabatharra, WA
Growing wheat and barley after serradella – does extra nitrogen help? locations
Aims
  • How will the barley and wheat perform side by side after a serradella phase?
  • How much N do we need to apply to each crop type after a serradella phase, and which is the most profitable?
  • Will there be Imazethapyr residue from April 2017, and will it affect the non-CL® variety?
Key messages
  • Both barley varieties out yielded wheat by approximately 1000kg/ha in all treatments
  • Barley yields responded to the highest rate of early post emergent nitrogen (75kgN/ha) with wheat yields plateauing at the 50kgN/ha rate
  • Ryegrass biomass was two to three times higher in wheat than barley, and this may have significantly reduced wheat yield
Lead research organisation Department of Primary Industries and Regional Development WA
Host research organisation N/A
Trial funding source GRDC DAW00256
Trial funding source DPIRD WA FFPJP13
Related program Regional Research Agronomy
Acknowledgments

Cripps family and the Northern Agri Group (NAG) for hosting the trial

Thanks to GRDC and DPIRD for co-investment in the ‘Building capacity in crop protection and crop production agronomy research and development in Western Australia’ project (DAW00256/DAW1512-001RTX)


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

Method

Crop types Cereal (Grain): Barley Cereal (Grain): Wheat
Treatment type(s)
  • Crop : Rotation
  • Fertiliser : Rate
Trial type Demonstration
Trial design Replicated

Yallabatharra 2017 Barley

Sow date 27/02/2017; 30/05/2018
Harvest date 1/12/2017; 23/10/2018
Plot size Not specified
Plot replication Not specified

Yallabatharra 2017 Wheat

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

Yallabatharra 2018 Barley

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

Yallabatharra 2018 Wheat

Sow date Not specified
Harvest date Not specified
Plot size Not specified
Plot replication Not specified
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
Yallabatharra, WA Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Yallabatharra, 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 Yallabatharra WA
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Climate

Derived climate information

No observed climate data available for this trial.
Derived climate data is determined from trial site location and national weather sources.

Yallabatharra WA

NOTE: Exact trial site locality unknown - Climate data may not be accurate
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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

Growing wheat and barley after serradella, does extra nitrogen help?



Trial last modified: 16-12-2022 16:11pm AEST