| Researcher(s) |
Luke Dawson (CSBP) |
|---|---|
| Year(s) | 2012 |
| Contributor | Liebe Group |
| Trial location(s) |
East Dalwallinu, WA
|
To evaluate the economics of a variable rate approach to fertiliser applications over the 2012 growing season. This trial was also designed as a proof of concept trial for CSBP’s Fertlogic Variable Rate Technology platform.
| Lead research organisation |
CSBP |
|---|---|
| Host research organisation | N/A |
| Related program | N/A |
| Acknowledgments |
CSBP would like to thank the following people/groups: - The Liebe Group for organising field walks and the Spring Field Day. - The Mills family for hosting the 2012 Main Trial Site. - Ryan Guthrie, Rowan Maddern and James Easton from CSBP Field Research. |
| Other trial partners | Not specified |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sow rate or Target density | 65 |
|---|---|
| Sow date | 6 June 2012 |
| Harvest date | Not specified |
| Plot size | Not specified |
| Plot replication | 3 |
| Fertiliser |
17/7/12: As per protocol 16/8/12: As per protocol |
| Herbicide |
6/6/12: 1 L/ha Powermax, 2.5 L/ha Boxer Gold |
| Insecticide |
6/6/12: 300 mL/ha Lorsban |
| # |
Treatment 1
|
Treatment 2
|
Grain yield (t/ha) |
|---|---|---|---|
| 1 | █ Blanket (1.8 t/ha) 85 Agstar Extra, 50 Flexi N, 25 Flexi N | █ High Zone | 1.71 |
| 2 | █ High (3.0 t/ha) 140 Agstar Extra, 100 Flexi N, 50 Flexi N | █ High Zone | 1.9 |
| 3 | █ NUlogic (2.5 t/ha) 120 Agstar Extra, 50 Flexi N, 25 Flexi N | █ High Zone | 1.81 |
| 4 | █ Nil | █ High Zone | 1.39 |
| 5 | █ Blanket (1.8 t/ha) 85 Agstar Extra, 50 Flexi N, 25 Flexi N | █ Low Zone | 1.27 |
| 6 | █ High (3.0 t/ha) 140 Agstar Extra, 100 Flexi N, 50 Flexi N | █ Low Zone | 1.38 |
| 7 | █ NUlogic (2.5 t/ha) 70 Agstar Extra | █ Low Zone | 1.19 |
| 8 | █ Nil | █ Low Zone | 0.85 |
| 9 | █ Blanket (1.8 t/ha) 85 Agstar Extra, 50 Flexi N, 25 Flexi N | █ Medium Zone | 1.41 |
| 10 | █ High (3.0 t/ha) 140 Agstar Extra, 100 Flexi N, 50 Flexi N | █ Medium Zone | 1.63 |
| 11 | █ NUlogic (2.5 t/ha) 65 Agstar Extra, 50 Flexi N, 25 Flexi N | █ Medium Zone | 1.5 |
| 12 | █ Nil | █ Medium Zone | 1.28 |
| Rainfall trial gsr (mm) | 133mm |
|---|
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.
