Very deep ripping with shallow leading tines to profitably remove deeper compaction of sandplain

2013
CC BY 4.0

Research organisaton
Funding source

Trial details

Researcher(s) Paul Blackwell (DAFWA)
Glen Reithmuller (DAFWA)
Year(s) 2013
Contributor Liebe Group
Trial location(s) West Wubin, WA
Very deep ripping with shallow leading tines to profitably remove deeper compaction of sandplain locations
Aims

To test the effect of very deep ripping to 500mm with shallow leading tines and incorporation of limesand on a very deeply compacted acid sand plain soil.

Key messages
Not specified
Lead research organisation N/A
Host research organisation Liebe Group
Trial funding source Caring for our Country
Related program N/A
Acknowledgments

The Liebe Group for hosting the site and assisting with field work. Shari, Bruce and Syd of Wongan RSU and Trevor Bell and Greg Brown of Geraldton RSU for ripping, seeding, weeding and harvest operations, Boekeman Machinery for the tractor use and helping with the ripper. Virginia and Stephanie for the lab measurements. Northern Agricultural Catchments Council (NACC) for leading the project “Increasing the adoption of reduced cropping traffic in broadacre industry in WA” and the provision of funds from ‘Caring for Our Country’


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

Method

Crop type Cereal (Grain): Wheat
Treatment type(s)
  • Fertiliser: Rate
  • Soil Improvement: Type
Trial type Experimental
Trial design Replicated

West Wubin 2013

Sow date 22 May 2013
Harvest date Not specified
Plot size 2.5m x 20m
Plot replication 4
Fertiliser

55 kg/ha DAP, 32 or 65 kg/ha urea as per protocol

Herbicide

1.5 L/ha Roundup,2 L/ha SpraySeed 250,118g/ha Sakura,300 mL/ha Axial, 0.5% Adigor,1L/ha Velocity, 1% Hasten

Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Treatment 1
Treatment 2
Grain yield (t/ha)
1 3 t/ha lime and high N 0mm Deep Ripping 2.23
2 3 t/ha lime and high N 300mm Deep Ripping 2.78
3 3 t/ha lime and high N 500mm Deep Ripping 3.14
4 3 t/ha lime and low N 0mm Deep Ripping 2.18
5 3 t/ha lime and low N 300mm Deep Ripping 2.71
6 3 t/ha lime and low N 500mm Deep Ripping 2.94
7 no lime and high N 0mm Deep Ripping 2.08
8 no lime and high N 300mm Deep Ripping 2.7
9 no lime and high N 500mm Deep Ripping 2.94
10 no lime and low N 0mm Deep Ripping 1.96
11 no lime and low N 300mm Deep Ripping 2.59
12 no lime and low N 500mm Deep Ripping 3.03

Grain yield t/ha


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Observed trial site soil information
Trial site soil testing
Site Depth Type pH EC P K N A OC CAT
West Wubin, WA 0 - 10cm Sandy loam 5.50 0.07
West Wubin, WA 10 - 30cm Sandy loam 4.40 0.02
Soil conditions
Trial site Soil texture
West Wubin, WA Sandy loam
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
West Wubin, 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 West Wubin WA
2013 148.3mm
2012 160.8mm
2011 157.3mm
2010 118.6mm
2009 131.6mm
2008 163.5mm
2007 146.1mm
2006 147.6mm
2005 138.8mm
2004 130.0mm
2003 127.4mm
2002 82.4mm
2001 91.0mm
2000 170.5mm
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

West Wubin WA 2013


Observed climate information

Rainfall trial gsr (mm) 228mm

Derived climate information

West Wubin WA

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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

2013 trial report