Making the most of summer rainfall


Research organisaton
Funding source

Trial details

Researcher(s) James Hunt, Fiona Best, Simon Craig (BCG) and Brooke White (Cropfacts)
Year(s) 2008
Contributor Birchip Cropping Group
Trial location(s) Site 1, Curyo, VIC
Making the most of summer rainfall locations

To demonstrate how managing paddock stubble load and weed burden (paddock surface conditions) during summer can affect subsequent crop yield.

Key messages
  • Allowing weeds to grow during summer reduced subsequent wheat yield by more than 50 percent
  • Provided summer weeds were controlled, other surface treatments (slashed stubble, standing stubble, cultivation, bare earth) had little effect on crop yield
  • Controlling summer weeds is one of the most cost-effective input investments available to growers in the Mallee, returning $5 for every $1 invested in this demonstration.
Lead research organisation N/A
Host research organisation N/A
Trial funding source GRDC BWD00012
Related program N/A

This research was funded by GRDC project BWD00012 ‘Yielding benefits through partnerships’.

The authors gratefully acknowledge the contributions made to this project by Claire Browne, Karen Chapman, Liam Coffey, Peter and Brenda Doran, James Jess, James Scambler and Case IH O’Connor’s.

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


Crop type Wheat
Treatment type(s)
  • Herbicide: Application
  • Stubble
  • Stubble: Management
Trial type Demonstration
Trial design Unreplicated

Curyo 2008

Sow date 14 May 2008
Harvest date Not specified
Plot size 6m x 28m
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
Site 1, Curyo, VIC Not specified
Derived trial site soil information
Australian Soil Classification Source
Trial site Soil order
Site 1, Curyo, VIC Calcarosol
National soil grid Source
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



Derived climate information

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

Site 1, Curyo VIC

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

Some data on this site is sourced from the Bureau of Meteorology

SILO weather estimates sourced from
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.