| Researcher(s) |
David Gartner (Department of Agriculture) Chris Gazey (Department of Agriculture) |
|---|---|
| Year(s) | 2005 |
| Contributor | Liebe Group |
| Trial location(s) |
West Maya, WA
|
To improve grain production by ameliorating subsurface compaction and subsurface acidity.
This work has demonstrated that it is possible to incorporate lime into seams in the soil profiel which can increase the soil pH and decrease the levels of toxic aluminium.
| Lead research organisation |
Department of Agriculture and Food WA |
|---|---|
| Host research organisation | N/A |
| Trial funding source | GRDC DAW00014 |
| Related program | N/A |
| Acknowledgments |
This work was supported by the GRDC project DAW00014 and the assistance of Ben Parking of the Liebe Group was much appreciated. Thanks also to Brian and Tracey McAlpine and their employees for hosting the trial site and assistance with implementing the trial.
|
| Other trial partners | Not specified |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sow date | 18 May 2005 |
|---|---|
| Harvest date | Not specified |
| Plot size | 40m x 1.8m |
| Plot replication | 4 |
| Fertiliser |
100 kg/ha of K-Till Xtra (CSBP product) at seeding. 50 L/ha Flexi N on 20th June and additional 40 L/ha FlexiN on 26th July |
| @T1: Athesis | ||||
|---|---|---|---|---|
| # |
Treatment 1
|
Treatment 2
|
Grain yield (t/ha) | Biomass (t/ha) |
| 1 | █ Not deep ripped | █ no lime | 2.5 | 4.04 |
| 1 | █ Deep ripped | █ no lime | 2.9 | 4.62 |
| 2 | █ Deep ripped | █ Lime injected 2.5 t/ha | 2.9 | 4.58 |
| 2 | █ Deep ripped x2 | █ Lime injected 2.5 t/ha x2 | 3.3 | 5.55 |
| 3 | █ Deep ripped x2 | █ no lime | 3.3 | 5.38 |
| 3 | █ Not deep ripped | █ Lime spread 2.5 t/ha | 2.7 | 4.53 |
| 4 | █ Not deep ripped | █ Lime spread | 2.4 | 3.78 |
| 4 | █ | █ | ||
| 5 | █ | █ | ||
| 5 | █ | █ | ||
| 6 | █ | █ | ||
| 6 | █ | █ | ||
| 7 | █ | █ | ||
| 7 | █ | █ | ||
| Rainfall trial gsr (mm) | 298.5mm |
|---|
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.
