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The impact of stubble treatment on soil nitrogen supply to crops

2017

Research organisation
Funding sources
Riverine Plains
<abbr title='Grains Research and Development Corporation'>GRDC</abbr> <abbr title='Foundations for Rural and Regional Renewal'>FRRR</abbr> William Buckland Foundation

Trial details

Researcher(s) Cassandra Schefe
Year(s) 2017
Contributor Riverine Plains
Trial location(s) Coreen, NSW
Dookie, VIC
Yarrawonga, VIC
Related trials
The impact of stubble treatment on soil nitrogen supply to crops locations
Aims

To determine if differences in early crop growth and development of crops under different stubble management strategies was due to differences in early-season nitrogen (N) supply.

Key messages
  • While significant differences in mineral nitrogen (N) values were measured between stubble treatments, these differences were small and unlikely to elicit a plant growth response.
  • No consistent trends were observed between trial sites.
  • Delayed plant growth and development under no-till stubble retained (NTSR) systems in the Riverine Plains region is unlikely to be due to decreased mineral nitrogen availability as a result of immobilisation.
Lead research organisation Riverine Plains
Host research organisation Riverine Plains
Trial funding source GRDC RPI00009
Trial funding source FRRR
Trial funding source William Buckland Foundation
Related program Maintaining profitable farming systems with retained stubble
Acknowledgments
  • This nitrogen sampling work was funded through The Sustainable Agriculture Victoria: Fast-Tracking Ag Innovation initiative, which has been made possible with the support of the Foundation for Rural and Regional Renewal (FRRR) together with the William Buckland Foundation.
  • Thank you to our farmer co-operators at each of the GRDC funded Maintaining Profitable Farming Systems with Retained Stubble in the Riverine Plains Region Focus Farm sites:

• Corowa/Coreen: Tomlinson Ag
• Dookie: Ludeman Brothers
• Henty: Peter Campbell
• Yarrawonga: Telewonga Pty Ltd.
Other trial partners FAR Australia
Download the trial report to view additional trial information

Method

Crop type Cereal (Grain): Wheat
Treatment type(s)
  • Crop : Rotation
  • Stubble : Management
Trial type Experimental
Trial design Unknown

Coreen 2017

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

Dookie 2017

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

Yarrawonga 2017

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
Coreen, NSW Not specified
Dookie, VIC Not specified
Yarrawonga, VIC Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Coreen, NSW Sodosol
Dookie, VIC Sodosol
Yarrawonga, VIC Sodosol
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 Coreen NSW Dookie VIC Yarrawonga VIC
2017
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2013
2012
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2008
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2000

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.

Coreen VIC

Dookie VIC

Yarrawonga VIC

Coreen VIC

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

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Yarrawonga VIC

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

2017 trial report



Trial last modified: 28-11-2019 14:03pm AEST