Conserving soil moisture, does a fallow or stubble cover help on Buntine sand?

CC BY 4.0

Research organisaton
Funding source

Trial details

Researcher(s) Yvette Oliver (CSIRO) and Nadine Hollamby (Liebe Group)
Year(s) 2012
Contributor Liebe Group
Trial location(s) Site 6, Buntine, WA
Conserving soil moisture, does a fallow or stubble cover help on Buntine sand? locations

To determine if various farm management techniques improve the storage of out-of-season rainfall and whether this leads to improvements in crop growth and/or yield.

Key messages
Not specified
Lead research organisation N/A
Host research organisation N/A
Trial funding source GRDC LIE00006
Related program N/A

GRDC for funding this work through LIE00006 “Improved stubble and soil management for sustainable farming systems in the Liebe area’. DAFWA Geraldton for seeding and harvesting the trial. Stuart McAlpine, Bain Russell and Clint Wyatt for spraying.

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


Crop type Canola
Treatment type(s)
  • Stubble: Management
Trial type Experimental
Trial design Replicated

Buntine 2012

Sow rate or Target density 4
Sow date 16 May 2012
Harvest date Not specified
Plot size 19m x 4m
Plot replication 3
Paddock history 2009 lupin, 2010 wheat, 2011 wheat

100 kg/ha Agstar Extra


16/5/12: 2 L/ha Spray Seed, 1 kg/ha Atrazine, 1.5 L/ha Trifluralin,

29/6/12: 1.1 kg/ha Atrazine 

18/7/12: 500 mL/ha Clethodim

15/10/12: 1.7 L/ha Roundup Attack


16/5/12: 100 mL/ha Dominex 200 mL/ha Talstar

29/6/12: 100 mL/ha Dimetholoate, 100 mL/ha Cypermethrin

Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Treatment 1
Oil (%) Grain yield (t/ha)
1 Continuous crop, Burnt stubble 43.1 0.9
2 Continuous crop, Flat stubble 43.5 0.7
3 Continuous crop, Standing stubble 43.3 0.8
4 Fallow 2010, crop 2011&2012 42.6 0.9
5 Fallow 2011, crop 2012 41.8 1.1

Grain yield t/ha


Oil %

Observed trial site soil information
Trial site soil testing
Site Depth Type pH EC P K N A OC CAT
Site 6, Buntine, WA 0 - 10cm Sandy loam 5.50 0.04
Site 6, Buntine, WA 10 - 30cm Sandy loam 4.60
Soil conditions
Trial site Soil texture
Site 6, Buntine, WA Sandy loam
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Site 6, Buntine, 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 Site 6, Buntine WA
2012 164.4mm
2011 156.8mm
2010 119.4mm
2009 144.3mm
2008 187.8mm
2007 156.0mm
2006 163.2mm
2005 150.1mm
2004 141.2mm
2003 146.6mm
2002 102.7mm
2001 97.9mm
2000 171.9mm
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



Site 6, Buntine WA 2012

Observed climate information

Rainfall trial gsr (mm) 162mm

Derived climate information

Site 6, Buntine WA


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.