| Researcher(s) |
Claire Browne (BCG) Vadakattu Gupta (BCG) Therese McBeath (CSIRO) |
|---|---|
| Year(s) | 2014 - 2016 |
| Contributor | Birchip Cropping Group |
| Trial location(s) |
Horsham, VIC
|
| Further information | View external link |
To determine the amount and availability of N from wheat stubble under varying stubble management practices over three cropping seasons.
| Lead research organisation |
Birchip Cropping Group |
|---|---|
| Host research organisation | N/A |
| Trial funding source | GRDC BWD00024,CSP00186 |
| Related program |
Maintaining profitable farming systems with retained stubble |
| Acknowledgments |
This research was funded by the GRDC as part of the ‘Maintaining profitable farming systems in retained stubble – Component 1 project’ (BWD00024) and (CSP00186). |
| Other trial partners | Not specified |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sowing machinery | Not specified |
|---|---|
| Sow date | Not specified |
| Harvest date | Not specified |
| Plot size | Not specified |
| Plot replication | Not specified |
| Fertiliser | Not specified |
| Herbicide | Not specified |
| Insecticide | Not specified |
| Fungicide | Not specified |
| Pesticide | Not specified |
| Sowing machinery | Not specified |
|---|---|
| Sow date | Not specified |
| Harvest date | Not specified |
| Plot size | Not specified |
| Plot replication | Not specified |
| Fertiliser | Not specified |
| Herbicide | Not specified |
| Insecticide | Not specified |
| Fungicide | Not specified |
| Pesticide | Not specified |
| Sowing machinery |
Knife points, press wheels, 30cm row spacing |
|---|---|
| Sow date | 2014: 22 May, 2015: 1 June, 2016: 18 May |
| Harvest date | 2014: 29 November, 2015: 16 November, 2016: 22 December |
| Plot size | Not specified |
| Plot replication | Not specified |
| Fertiliser |
Varied year to year |
| Herbicide |
All pests, diseases and instecticides were managed as to best practice. |
| Insecticide |
All pests, diseases and instecticides were managed as to best practice. |
| Fungicide |
All pests, diseases and instecticides were managed as to best practice. |
| Pesticide |
All pests, diseases and instecticides were managed as to best practice. |
| # |
Treatment 1
|
Protein (%) | Grain yield (t/ha) | Pre sowing soil nitrogen (kg N/ha) |
|---|---|---|---|---|
| 1 | █ No Stubble | 10.3 | 5.5 | 84 |
| 2 | █ Standing | 10.7 | 5.7 | 104 |
| 3 | █ Surface | 10.8 | 5.3 | 81 |
| 4 | █ Incorporated | 10.8 | 5.3 | 62 |
| # |
Treatment 1
|
Grain yield (t/ha) | GSR rainfall (mm) |
|---|---|---|---|
| 1 | █ 2014 | 1.9 | 206 |
| 2 | █ 2015 | 0.4 | 125 |
| 3 | █ 2016 | 5.3 | 393 |
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.
