| Researcher(s) |
Stuart McAlpine (Optima Agriculture) |
|---|---|
| Year(s) | 2014 |
| Contributor | Liebe Group |
| Trial location(s) |
West Buntine, WA
|
Examine the effect of variable rates of fertiliser on acidity in the furrow and how CalSap® interacts with soil pH over a period of time at different locations in the profile.
| Lead research organisation |
Optima Agriculture |
|---|---|
| Host research organisation | N/A |
| Related program | N/A |
| Acknowledgments |
Optima would like to thank Mike and Narelle Dodd for setting up the demonstration and the Liebe Group in providing staff, a weigh trailer and assistance with compiling the information. |
| Other trial partners | Not specified |
| Crop type | Oilseed: Canola |
|---|---|
| Treatment type(s) |
|
| Trial type | Demonstration |
| Trial design | Unreplicated |
| Sow rate or Target density | 3 kg/ha |
|---|---|
| Sow date | 30 May 2014 30 May 2014 |
| Harvest date | Not specified |
| Plot size | 300m x 14m |
| Plot replication | Not specified |
| Fertiliser |
30/05/2014: 35 kg/ha AgFlow, 10 kg/ha Muriate of Potash, Flexi-N as per protocol (Table 1) 20/07/2014: 30 L/ha of Flexi-N at cabbage |
| Herbicide |
29/05/2014: 1.1 L/ha Glyphosate, 1.1 kg/ha Atrazine, 1 L/ha Propyzamide 01/06/2014: 1.1 kg/ha Atrazine 28/06/2014: 500 mL/ha Clethodim |
| Soil amelioration |
27/03/2013: 2 t/ha Limesand, full cut cultivation |
| Other trial notes |
For further information, contact |
| # | Variety |
Treatment 1
|
Treatment 2
|
Oil (%) | Protein (%) | Grain yield (t/ha) |
|---|---|---|---|---|---|---|
| 1 | █ Plot # | █ Flexi-N (L/ha) | █ CalSap (L/ha) | |||
| 2 | █ 1 | █ 30 | █ | 42.4 | 23.2 | 0.69 |
| 3 | █ 2 | █ | █ | 43.3 | 23.3 | 0.65 |
| 4 | █ 3 | █ 30 | █ 10 | 42.7 | 22.7 | 0.75 |
| 5 | █ 4 | █ 60 | █ 10 | 41.8 | 23.2 | 0.68 |
| 6 | █ 5 | █ 30 | █ 5 | 43.1 | 23.1 | 0.74 |
| 7 | █ 6 | █ 60 | █ | 41.3 | 24.4 | 0.69 |
| 8 | █ 7 | █ 60 | █ 5 | 41.5 | 24.1 | 0.64 |
| 9 | █ 8 | █ 30 | █ | 41.9 | 24.4 | 0.59 |
| 10 | █ 9 | █ | █ | 43.2 | 22.1 | 0.71 |
| Rainfall avg gsr (mm) | 185mm |
|---|
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.
