| Researcher(s) |
De-Anne Ferrier (BCG) |
|---|---|
| Year(s) | 2014 |
| Contributor | Birchip Cropping Group |
| Trial location(s) |
Chinkapook, VIC
|
| Further information | View external link |
To determine the influence of break sequences (2011-2012) followed by consecutive wheat crops (2013-2014) on soil water, nitrogen, brome grass populations and profitability.
| Lead research organisation |
Birchip Cropping Group |
|---|---|
| Host research organisation | N/A |
| Trial funding source | GRDC DAS0019 |
| Related program |
Low Rainfall Collaboration Project |
| Acknowledgments |
This project (DAS00119) was funded by GRDC through the Low Rainfall Collaboration Group. |
| Other trial partners | Not specified |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Blocked |
| Sow rate or Target density | 150 plants/m² (65kg/ha) |
|---|---|
| Sowing machinery |
Knife points, press wheels, 30cm row spacing |
| Sow date | 1 May 2014 1 May 2014 |
| Harvest date | 17 November 2014 17 November 2014 |
| Plot size | Not specified |
| Plot replication | Not specified |
| Fertiliser |
Granulock Z @ 60kg/ha at sowing |
| Herbicide |
Pre-sowing Glyphosate @ 1L/ha + TriflurX® @ 1.5L/ha + Avadex® Xtra @ 2L/ha In-crop LVE 600 @ 350ml/ha + Lontrel™ @ 100ml/ha + Hasten™ @1 |
| Insecticide |
Pests were controlled to best management practice. |
| Fungicide |
Diseases were controlled to best management practices. |
| @T1: | @T2: | @T3: | @T4: | ||
|---|---|---|---|---|---|
| # |
Treatment 1
|
Brome grass density (plants/m2) | Brome grass density (plants/m2) | Brome grass density (plants/m2) | Brome grass density (plants/m2) |
| 1 | █ Wheat-wheat (nil control) | 971 | 1014 | 3458 | 516 |
| 1 | █ CLF wheat-CLF wheat (2 year herbicide control) | 165 | 26 | 69 | 4 |
| 1 | █ Wheat+Atlantis-CLF barley (2 year herbicide control) | 458 | 173 | 88 | 18 |
| 1 | █ Field peas-wheat (1 year break crop) | 68 | 89 | 595 | 94 |
| 2 | █ Chemical fallow-wheat (1 year break crop) | 329 | 61 | 1005 | 66 |
| 2 | █ CLF canola-vetch (2 year break crop) | 43 | 9 | 199 | 29 |
| 2 | █ TT canola-field pea (2 year break crop) | 26 | 9 | 113 | 20 |
| 2 | █ CLF wheat-chickpeas (1 year herbicide, 1 year break crop) | 94 | 63 | 166 | 24 |
| 3 | █ Chemical fallow-CLF canola (2 year break crop) | 130 | 4 | 78 | 18 |
| 3 | █ Vetch brown manure-CLF canola (2 year break crop) | 53 | 0 | 44 | 5 |
| 3 | █ Lupins-CLF canola (2 year break crop) | 52 | 4 | 95 | 8 |
| 3 | █ Oats/vetch hay- vetch (2 year break) | 156 | 9 | 130 | 25 |
| 4 | █ Medic-medic (2 year break) | 95 | 0 | 243 | 36 |
| 4 | █ Vol. pasture-vol. pasture (2 year break) | 156 | 0 | 208 | 16 |
| 4 | █ Chem fallow-chem fallow (2 year herbicide control) | 69 | 17 | 139 | 21 |
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| Rainfall trial total (mm) | 273mm |
|---|---|
| Rainfall trial gsr (mm) | 155mm |
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.
