| Researcher(s) |
Stephen Davies (DAFWA) Nadine Hollamby (Liebe Group) |
|---|---|
| Year(s) | 2011 |
| Contributor | Liebe Group |
| Trial location(s) |
East Marchagee, WA
|
To examine whether deep cultivation by spading can be used to manage water repellence and subsoil acidity on sandplain soil.
| Lead research organisation | N/A |
|---|---|
| Host research organisation | N/A |
| Trial funding source | GRDC CSA00016,DAW00204,LIE00006 |
| Related program | N/A |
| Acknowledgments |
Stephen Davies involvement is supported by the ‘Delivering Agronomic Strategies for Water Repellent Soils’ DAW00204 and ‘Putting PA on the ground in WA’ CSA00016 GRDC projects. Thanks to Hunt Partners for conducting the trial and GRDC for funding the work through LIE00006 ‘Improved stubble and soil management practices for sustainable farming systems in the Liebe area’. |
| Other trial partners | Not specified |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Unknown |
| Sow date | 10 June 2011 |
|---|---|
| Harvest date | Not specified |
| Plot size | 1000m x 22.5m |
| Plot replication | 1 |
| Fertiliser |
10/6/11: 80 kg/ha K-Till Extra, 80 L/ha Flexi-N, 22/7/11: 30 L/ha Flexi-N |
| Herbicide |
10/6/11: 2 L/ha Glyphosate 450, 1 L/ha Paraquat, 1.5 L/ha Treflan, 16/7/11: 1 L/ha Precept, 500 ml/ha MCPA LVE, 18/8/11: 600mL/ha Jaguar, 500 ml/ha MCPA LVE |
| Insecticide |
100 mL/ha Alpha Duo |
| # |
Treatment 1
|
Grain yield (t/ha) | Screenings (%) |
|---|---|---|---|
| 1 | █ Control | 1.3 | |
| 2 | █ Deep Rip | 1.4 | |
| 3 | █ Spade | 1.5 | |
| 4 | █ Spade+ Lime (1 t/ha)+ Dolomite (1 t/ha) | 1.7 | 0.9 |
| Rainfall trial gsr (mm) | 308mm |
|---|
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.
