| Researcher(s) |
David Harbison (Hi-Fert Fertilisers) Ken Motley (NSW Agriculture) Andrew Rice (CWFS) |
|---|---|
| Year(s) | 2000 |
| Contributor | Central West Farming Systems |
| Trial location(s) |
Gunning Gap, NSW
Mulyandry, NSW Wirrinya, NSW |
To look at the effectiveness of top-dressed urea on canola and the importance of timing prior to rainfall.
Tor top dressing to be effective on canola the following points are required:
| Lead research organisation |
Central West Farming Systems |
|---|---|
| Host research organisation | N/A |
| Related program | N/A |
| Acknowledgments |
|
| Other trial partners | Not specified |
| Crop type | Oilseed: Canola |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Randomised,Replicated,Blocked |
| Sow date | 10 May 2000 |
|---|---|
| Harvest date | Not specified |
| Plot size | Not specified |
| Plot replication | Not specified |
| Sow date | Not specified |
|---|---|
| Harvest date | Not specified |
| Plot size | Not specified |
| Plot replication | Not specified |
| Sow date | Not specified |
|---|---|
| Harvest date | Not specified |
| Plot size | Not specified |
| Plot replication | Not specified |
| # |
Treatment 1
|
Oil (%) | Protein (%) | Grain yield (t/ha) |
|---|---|---|---|---|
| 1 | █ Nil | 47.6 | 21.1 | 2.72 |
| 2 | █ 50 kg N/ha @ sowing | 47.3 | 22.4 | 2.84 |
| 3 | █ 50 kg N/ha on 9-Aua | 47.1 | 22.9 | 2.89 |
| 4 | █ 50 kg N/ha on 31-Jul | 47.3 | 22.7 | 3.01 |
| 5 | █ 100 kg N/ha @ sowing | 46.1 | 23.7 | 2.77 |
| 6 | █ 100 kg N/ha on 9_Aua | 46.4 | 24.2 | 2.91 |
| 7 | █ 100 kga N/ha on 31-Jul | 47.4 | 24.1 | 2.94 |
| 8 | █ 100 kg N/ha @ sowing and 9-Aua | 47.9 | 23.7 | 2.91 |
| 9 | █ 100 kg N/ha @ sowing and 31-Jul | 47.6 | 23.8 | 2.95 |
| # |
Treatment 1
|
Oil (%) | Protein (%) | Grain yield (t/ha) |
|---|---|---|---|---|
| 1 | █ Nil | 47.6 | 21.1 | 2.72 |
| 2 | █ 50 kg N/ha @ sowing | 47.3 | 22.4 | 2.84 |
| 3 | █ 50 kg N/ha on 9-Aua | 47.1 | 22.9 | 2.89 |
| 4 | █ 50 kg N/ha on 31-Jul | 47.3 | 22.7 | 3.01 |
| 5 | █ 100 kg N/ha @ sowing | 46.1 | 23.7 | 2.77 |
| 6 | █ 100 kg N/ha on 9_Aua | 46.4 | 24.2 | 2.91 |
| 7 | █ 100 kga N/ha on 31-Jul | 47.4 | 24.1 | 2.94 |
| 8 | █ 100 kg N/ha @ sowing and 9-Aua | 47.9 | 23.7 | 2.91 |
| 9 | █ 100 kg N/ha @ sowing and 31-Jul | 47.6 | 23.8 | 2.95 |
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.
