Managing risks associated with climate variability on soils with subsoil constraints in the southern Mallee

2002

Research organisaton

Trial details

Researcher(s) Qunying Luo (BCG)
Daniel Rodriguez (DPI)
Harm van Rees (DPI)
Year(s) 2002
Contributor Birchip Cropping Group
Trial location(s) Birchip, VIC
Managing risks associated with climate variability on soils with subsoil constraints in the southern Mallee locations
Aims

To discuss the APSIM model for wheat in the southern Mallee.

Key messages
  • The APSIM wheat model was adapted and tested for southern Mallee conditions and demonstrated to be a powerful tool to evaluate risk exposure of farmers to climate variability.
  • The model was tested and found to be reasonably accurate in estimating soil water based on rainfall events and also in relation to being able to simulate historical wheat yields.
  • From the analysis of historical climate, using data in years after an El Nino event, the model predicts that the chance of a good yields during 2003 is about 50% (this is higher than the 33% that would be expected from the long term average), while the chance for a poor season is about a 20% (this is lower than the 33% that would be expected from the long term average).
  • Our results also highlight the importance of taking into account soil water at sowing to analyse climate risk exposure in the Birchip area.
Lead research organisation N/A
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 None: No crop specified
Treatment type(s)
  • Farm operations: Risk Management
  • Soil Improvement
Trial type Article/commentary
Trial design Not applicable

Birchip 2002

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
Birchip, VIC Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Birchip, VIC Vertosol
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 Birchip VIC
2002 240.1mm
2001 285.1mm
2000 290.6mm
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

Derived climate information

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

Birchip VIC

CAUTION: Trial site locality unknown; Climate data sourced from Birchip Cropping Group office location
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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

2002 trial report



Trial last modified: 07-05-2019 16:43pm AEST