Grazing crops at Dudinin

CC BY 4.0

Research organisatons
Funding source

Trial details

Researcher(s) Jonathan England (DAFWA)
Sarah Hyde (Facey Group)
Year(s) 2013
Contributor Facey Group
Trial location(s) Dudinin, WA
Related trials
Grazing crops at Dudinin locations

To investigate the impacts of degree and timing of grazing on crop yield.

Key messages

Overall, moderate grazing up to Z25-Z30 and clip grazing at and after Z25-Z30 had little to no significant impacts on yield. However,assessing the value of grazing to the farm system is complicated as grazing can affect time of flowering and frost impacts. It can also increase water use efficiency, allow pasture paddocks to be deferred, reduce the need for supplementation and allow increased stock numbers and/or crop area.

Lead research organisation Department of Agriculture and Food WA
Host research organisation Facey Group
Trial funding source GRDC
Related program N/A

Sarah Hyde, Facey Group managed the time x height of grazing with assistance from Jonathan England and Rodger Bryant, DAFWA in Narrogin. Thank you to Luke Ledwith and family who managed the site. GRDC provides fund through CSIROs Dual Purpose Crops program for this work.

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


Crop type Cereal (Grain): Barley
Treatment type(s)
  • Grazing: Timing
Trial type Experimental
Trial design Randomised,Replicated,Blocked

Dudinin 2013

Sow rate or Target density 70Kg/ha on 25/4
Sow date 25 April 2013
Harvest date Not specified
Plot size 1.5m x 2m
Plot replication 4

70Kg/ha Thumper Extra Lite incorporated with seed at seeding plus 40Kg/ha urea post grazing (4 July)


1L Roundup, 2L/ha Trifluralin,0.35Kg/ha Diuron, 0.08L/ha Goal.      0.36L/ha MCPA570, 0.05L/ha Brodal, 3.5L/ha Wetter, 0.5% oil


0.07L/ha Chlorpyrifos

Soil amelioration


Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

@T1: 20/8/2013
# Variety
Treatment 1
Treatment 2
Grain yield (t/ha) Zadoks score (Growth Stage)
1 Buloke Control T1- 6/6/2013 2.97 55
1 Buloke Defoliation at ground level T1 3.29 41
2 Buloke Defoliation a 5cm once T1 3.75 45
2 Buloke Defoliation at 5cm multiple times T1 2.44 -
3 Buloke Control T2- 27/6/2013 - 55
3 Buloke Defoliation at ground level T2 2.57 41
4 Buloke Defoliation a 5cm once T2 2.67 49
4 Buloke Defoliation at 5cm multiple times T2 2.64 45
5 Buloke Control T3- 18/7/2013 - 55
5 Buloke Defoliation at ground level T3 2.22 40
6 Buloke Defoliation a 5cm once T3 2.78 42
6 Buloke Defoliation at 5cm multiple times T3 2.64 42
7 Buloke Defoliation at 15cm T3 2.78 53
7 Buloke Control T48/8/2013 - 55
8 Buloke Defoliation at ground level T4 1.07 25
8 Buloke Defoliation at 5cm multiple times T4 2.01 33
9 Buloke Defoliation at 15cm T4 2.71 43
9 Buloke Take 10cm off T4 3.03 42/57
10 Buloke
10 Buloke
11 Buloke
11 Buloke
12 Buloke
12 Buloke
13 Buloke
13 Buloke
14 Buloke
14 Buloke
15 Buloke
15 Buloke
16 Buloke
16 Buloke
17 Buloke
17 Buloke
18 Buloke
18 Buloke

Grain yield t/ha


Zadoks score Growth Stage

Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Dudinin, WA Sandy loam
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Dudinin, WA 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 Dudinin WA
2013 358.7mm
2012 371.5mm
2011 321.6mm
2010 309.4mm
2009 349.6mm
2008 360.5mm
2007 335.6mm
2006 402.8mm
2005 385.6mm
2004 338.9mm
2003 346.2mm
2002 302.2mm
2001 313.9mm
2000 390.6mm
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



Dudinin WA 2013

Observed climate information

Rainfall trial gsr (mm) 325mm

Derived climate information

Dudinin WA

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.

Trial report and links

2013 trial report

Trial last modified: 04-06-2019 15:50pm AEST