| Researcher(s) |
Nick Poole (FAR NZ) John Seidel (Agricultural Research Services) Tracey Wylie (FAR NZ) |
|---|---|
| Year(s) | 2010 |
| Contributor | Riverine Plains |
| Trial location(s) |
Coreen, NSW
|
To evaluate the performance of different drill openers at a range or row spacings for second wheat (wheat on wheat) following canola to improve water use efficiency (WUE) in no-till cropping and stubble retention systems in spatially and temporally variable conditions in the Riverine Plains.
| Lead research organisation |
Commonwealth Scientific and Industrial Research Organisation |
|---|---|
| Host research organisation |
Riverine Plains |
| Trial funding source | GRDC |
| Related program |
National Water Use Efficiency Initiative |
| Acknowledgments |
Hanrahan Family |
| Other trial partners | FAR Australia |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sow rate or Target density | 85kg/ha |
|---|---|
| Sow date | 27 May 2010 |
| Harvest date | Not specified |
| Plot size | 44m x 3m |
| Plot replication | 4 |
| Fertiliser |
85kg/ha MAP + Flutriafol + host farmer paddock management |
| Herbicide |
host farmer paddock management |
| Insecticide |
host farmer paddock management |
| Fungicide |
host farmer paddock management |
| Other trial notes |
Improved water use efficiency (WUE) in no-till cropping and stubble retention systems in spatially and temporally variable conditions in the Riverine Plains |
| # |
Treatment 1
|
Treatment 2
|
Establishment plants (plants/m2) | Harvest index (value) | Hectolitre weight (kg/hL) | Protein (%) | Screenings (%) | Grain yield (t/ha) | 1000 grain weight (g) | Total water use (mm) | Transpiration efficiency (kg/ha/mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | █ Disc Opener | █ 9" row spacing | 170 | 34.7 | 70.1 | 12.1 | 1.9 | 5.01 | 47.5 | 7.7 | 15.59 |
| 2 | █ Disc Opener | █ 12" row spacing | 133 | 35.7 | 70.4 | 12.4 | 1.8 | 5.01 | 49.2 | 7.7 | 17.61 |
| 3 | █ Disc Opener | █ 15" row spacing | 98 | 36.7 | 69.3 | 12.7 | 1.9 | 4.69 | 48.3 | 7.2 | 18 |
| 4 | █ Tine Opener | █ 9" row spacing | 137 | 37.7 | 70 | 12.5 | 2.1 | 5.04 | 48.3 | 7.7 | 16.61 |
| 5 | █ Tine Opener | █ 12" row spacing | 129 | 38.7 | 70 | 12.4 | 2.2 | 4.9 | 48.3 | 7.5 | 16.2 |
| 6 | █ Tine Opener | █ 15" row spacing | 91 | 39.7 | 69.8 | 12.6 | 2.1 | 4.81 | 47.5 | 7.4 | 23.41 |
| Rainfall trial gsr (mm) | 570mm |
|---|
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.
