Deep incorporation of lime into acidic subsoils

2015
CC BY 4.0

Research organisatons
Funding source

Trial details

Aims

To assess amelioration of subsoil acidity using a range of tillage methods for incorporating surface applied lime into acidic subsoils and the impacts of tillage and lime on crop productivity.

Key messages
Not specified
Lead research organisation Liebe Group
Host research organisation West Midlands Group
Trial funding source GRDC LIE00008
Related program N/A
Acknowledgments

Peter Negus, Stephan Davies, & Chris Gazey, DAFWA and Soiltech


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

Method

Crop type Wheat
Treatment type(s)
  • Soil amelioration
Trial type Experimental
Trial design Randomised,Replicated,Blocked

Dandaragan 2015

Sow date June 2015
Harvest date Not specified
Plot size Not specified
Plot replication Not specified
Paddock history Wheat, pasture, wheat, pasture
Tillage Spade & Deep Rip, Spade only, Deep rip only, one way plough, offset discs, scarify, control, mou
Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Treatment 1
3 t/ha lime topsoil (pH) 3 t/ha lime subsoil (pH) 5 t/ha lime midsoil (pH) Grain yield nil lime (t/ha) Grain yield 5 t/ha lime (t/ha) 0 t/ha lime midsoil (pH) 3 t/ha lime midsoil (pH) 5 t/ha lime topsoil (pH) 5 t/ha lime subsoil (pH) Grain yield 3 t/ha lime (t/ha) 0 t/ha lime Topsoil (pH) 0 t/ha lime subsoil (pH)
1 Control 6.5 4.5 5 1.1 1.1 4.9 5.1 6.2 4.6 1.1 6.1 4.3
2 Scarify 6.6 4.4 5.1 1 1 5.2 5 6.4 4.5 0.9 6.3 4.6
3 One way Plough 6.5 4.6 5.1 1.2 1.2 4.6 5.2 6.4 4.5 1.2 6 4.2
4 Offset discs 6.5 4.6 5.2 1.1 1 4.9 5.2 6.4 4.4 1 6.2 4.3
5 Spade only 6.3 4.3 5.1 0.9 1.3 5.6 5.2 6.1 4.5 0.9 5.8 4.7
6 Deep rip only 6.7 4.7 5.2 1 0.9 4.9 5.5 6.4 4.6 1.2 6 4.3
7 Deep rip & spade 6.3 5 5.5 1.2 1.1 5.1 5.8 6.2 4.7 1.1 5.8 4.4
8 Mouldboard 5.6 4.9 5.6 1 0.9 4.8 5.9 5.3 5 1 5.2 4.4

0 t/ha lime midsoil pH


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0 t/ha lime subsoil pH


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0 t/ha lime Topsoil pH


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3 t/ha lime midsoil pH


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3 t/ha lime subsoil pH


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3 t/ha lime topsoil pH


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5 t/ha lime midsoil pH


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5 t/ha lime subsoil pH


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5 t/ha lime topsoil pH


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Grain yield 3 t/ha lime t/ha


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Grain yield 5 t/ha lime t/ha


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Grain yield nil lime t/ha


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Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Dandaragan, WA Deep yellow sand
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Dandaragan, WA Tenosol
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 Dandaragan WA
2015 113.9mm
2014 104.8mm
2013 134.0mm
2012 146.1mm
2011 103.4mm
2010 97.2mm
2009 133.7mm
2008 135.5mm
2007 94.6mm
2006 118.1mm
2005 146.4mm
2004 120.2mm
2003 130.0mm
2002 98.1mm
2001 116.5mm
2000 158.4mm
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

Dandaragan WA 2015


Observed climate information

Rainfall trial gsr (mm) 370mm

Derived climate information

Dandaragan 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.