Revisiting gypsum for improved soil structure

2011
CC BY 4.0

Research organisaton
Funding source

Trial details

Researcher(s) Nadine Hollamby (Liebe Group)
Year(s) 2011
Contributor Liebe Group
Trial location(s) Dalwallinu, WA
Revisiting gypsum for improved soil structure locations
Aims

To determine the efficacy and rate of gypsum required to improve soil structure on heavy clay soils in a minimum tillage system.

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

Thank you to Ian Hyde for hosting and conducting the trial. The Liebe Groups involvement is funded by GRDC through LIE00006 ‘Improved stubble and soil management practices for sustainable farming systems in the Liebe area’. Stephen Davies from DAFWA in Geraldton for support and technical advice.


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

Method

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

Dalwallinu 2011

Sow date 1 June 2011
Harvest date Not specified
Plot size 75m x 24m
Plot replication 3
Fertiliser

1/6/11: 70 kg/ha K-Till Extra, 50 kg/ha Urea

Herbicide

1/6/11: 1 L/ha Glyphosate, 0.22 kg/ha Logran, 1.4 L/ha Trifluralin, 27/7/11: 600 mL/ha Velocity

Insecticide

1/6/11: 100 mL/ha Alpha Duo

Download the trial report to view additional method/treatment information

Download results

Trial results Table 1

# Treatment 1
Protein (%) Grain yield (t/ha) Establishment plants (plants/m2) Screenings (%)
1 0 t/ha Gypsum 10.87 3.37 50 3.87
2 2 t/ha Gypsum 10.48 3.66 50 3.22
3 4 t/ha Gypsum 10.37 3.24 45 3.41

Grain yield t/ha


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Establishment plants plants/m2


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Protein %


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Screenings %


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Observed trial site soil information
Trial site soil testing
Site Depth Type pH EC P K N A OC CAT
Dalwallinu, WA 0 - 10cm Loamy Clay
Dalwallinu, WA 10 - 30cm Loamy Clay
Soil conditions
Trial site Soil texture
Dalwallinu, WA Loamy clay
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Dalwallinu, 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 Dalwallinu WA
2011 381.4mm
2010 362.1mm
2009 378.1mm
2008 386.0mm
2007 328.6mm
2006 337.8mm
2005 332.7mm
2004 343.9mm
2003 365.3mm
2002 306.2mm
2001 334.8mm
2000 415.8mm
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

Dalwallinu WA 2011


Observed climate information

Rainfall trial gsr (mm) 323mm

Derived climate information

Dalwallinu 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

2011 trial report