| Researcher(s) |
Clare Johnston (Liebe Group) Lilly Martin (Liebe Group) Yvette Oliver (CSIRO) Rob Sands (Farmanco) |
|---|---|
| Year(s) | 2016 |
| Contributor | West Midlands Group |
| Trial location(s) |
West Wubin, WA
|
To determine which ameliorant practice is the most effective and economic in remediating subsoil acidity at depth.
| Lead research organisation |
Liebe Group |
|---|---|
| Host research organisation |
West Midlands Group |
| Trial funding source | GRDC DAW00242,LIE00008 |
| Related program | N/A |
| Acknowledgments |
Many thanks to the Barnes family for all their help and input in setting up and managing the trial. Thanks to McIntosh and Son, Wongan Hills for use of the Tiny Grizzly and to Rohan Broun, Liebe member, for his time and the use of the spader; Scott’s Watheroo Dolomite for donating dolomite and the McNeill family, Dalwallinu for donating the limesand. Michael MacPherson, Imtrade for completing the statistical analysis and Rob Sands, Farmanco for the economic analysis. This trial is funded by GRDC through LIE00008: Working together to deliver multiple benefit messages to growers through a whole systems approach to soil management. This trial is also supported by GRDC funded project DAW00242: Subsoil constraints - understanding and management and through support from the Wheatbelt NRM. |
| Other trial partners | Not specified |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sow rate or Target density | 65kg/ha |
|---|---|
| Sow date | 23 May 2016 |
| Harvest date | Not specified |
| Plot size | 11.65m x 14m |
| Plot replication | 4 |
| Fertiliser |
7 March: 40 kg/ha MoP 23 May: 55 kg/ha DAPSZC 28 June: 75 kg/ha Urea |
| Herbicide |
24/04/2016: 2 L/ha Glyphosate 450, 300 mL/ha LV Ester 680, 5 g/ha Metsulfuron, 0.25% SP 700 Surfactant 23/05/2016: 2.2 L/ha Glyphosate 450, 300 mL/ha LV Ester 680, 20 mL/ha Hammer, 2 L/ha Trifluralin 480, 2 L/ha Boxer Gold, 200 mL/ha Chlorpyrifos 500EC, 1% Ammonium Sulphate 06/07/2016: 1 L/ha Velocity, 0.5% MOS |
| Rainfall trial gsr (mm) | 179mm |
|---|
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.
