Deep ripping trial 2008 to 2010

2008 - 2010
CC BY 4.0

Research organisatons

Trial details

Researcher(s) Glenn Bailey
Trent Potter
Year(s) 2008 - 2010
Contributor MacKillop Farm Management Group
Trial location(s) Cadgee, SA
Frances, VIC
Deep ripping trial 2008 to 2010 locations
Aims

To quantify the yield effects of deep ripping, gypsum applicaiton and a new cultivation implement known as a spader.

Key messages

The penetrometer measurements show that the nil treatment at both sites had a harder soil profile in the upper 20 cm at Hannafords (clay loam) and down to 35 cm at Jacobs. The reason the Nil treatment at the site of Hannafords shows lower resistance at depth is because this zone was waterlogged (water perched on the clay layer), showing that the ripping and spading have relieved some of the waterlogging. 

Lead research organisation Rural Solutions SA
Host research organisation MacKillop Farm Management Group
Related program N/A
Acknowledgments

Many thanks to the contributors to this project including Peter Hannaford for providing a trial site and a great deal of organisation, Lachie Jacob for providing a trial site and deep ripping the trial sites, Roger Groocock for Spading the trial sites. Plots were harvested by the New Variety Agronomy group of SARDI, based at Struan.


Other trial partners SARDI
Download the trial report to view additional trial information

Method

Crop type None: No crop specified
Treatment type(s)
  • Soil Preparation: Ploughing
Trial type Experimental
Trial design Replicated

Cadgee 2008

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

Cadgee 2009

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

Cadgee 2010

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

Frances 2008

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

Frances 2009

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

Frances 2010

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

Download results

Trial results Table 1

# Variety
Treatment 1
Treatment 2
Treatment 3
Grain yield (kg/ha)
1 Canola 2008 Nil 1837
2 Canola 2008 Deep ripped 1865
3 Canola 2008 Deep Ripped after Gypsum Gypsum 2.5 T/ha 1878
4 Canola 2008 Deep Ripped after Gypsum Gypsum 5 T/ha Spader 2032
5 Canola 2008 Deep Ripped before Gypsum Gypsum 2.5 T/ha 1961
6 Wheat 2009 Nil 2918
7 Wheat 2009 Deep ripped 3378
8 Wheat 2009 Deep Ripped after Gypsum Gypsum 2.5 T/ha 3631
9 Wheat 2009 Deep Ripped after Gypsum Gypsum 5 T/ha Spader 3540
10 Wheat 2009 Deep Ripped before Gypsum Gypsum 2.5 T/ha 3537
11 Barley 2010 Nil 2517
12 Barley 2010 Deep ripped 2483
13 Barley 2010 Deep Ripped after Gypsum Gypsum 2.5 T/ha 2372
14 Barley 2010 Deep Ripped after Gypsum Gypsum 5 T/ha Spader 3333
15 Barley 2010 Deep Ripped before Gypsum Gypsum 2.5 T/ha 3142

Grain yield kg/ha


Loading

Trial results Cadgee site harvest data summary

# Treatment 1
Screenings (%) Grain yield (kg/ha) Protein (%) 1000 grain weight (g)
1 Nil 21.5 3603 11.35 35.97
2 Ripped 25.93 3537 12.05 35.91
3 Ripped after Gypsum at 2.5t/ha 25.49 3434 11.85 34.7
4 Ripped after Gypsum at 5t/ha plus Spader 29.19 3497 12.55 33.9
5 Ripped before Gypsum at 2.5t/ha 24.63 3479 11.45 34.99

1000 grain weight g


Loading

Grain yield kg/ha


Loading

Protein %


Loading

Screenings %


Loading
Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Cadgee, SA Not specified
Frances, VIC Brown sandy loam over clay
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Cadgee, SA Sodosol
Frances, 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 Cadgee SA Frances VIC
2010 301.4mm483.4mm
2009 262.0mm400.2mm
2008 193.4mm347.0mm
2007 209.5mm332.5mm
2006 227.6mm375.5mm
2005 295.5mm434.1mm
2004 291.8mm538.6mm
2003 242.3mm531.2mm
2002 180.8mm455.7mm
2001 260.2mm488.0mm
2000 296.2mm445.6mm
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

Loading

Climate

Frances VIC 2008


Observed climate information

Rainfall trial gsr (mm) 398mm

Derived climate information

Cadgee VIC

Frances VIC

Cadgee VIC

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

Frances VIC

Loading
Loading
Loading

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

2008 trial report



Trial last modified: 02-10-2019 12:35pm AEST