| Researcher(s) |
Kenton Porker (SARDI) Rob Wheeler (SARDI) |
|---|---|
| Year(s) | 2012 |
| Contributor | Hart Field Site Group |
| Trial location(s) |
Hart, SA
|
To evaluate the relative weed competitiveness of barley, bread wheat, and durum against annual ryegrass grown under different management practices including seeding rate, nutrition, variety, and row spacing.
| Lead research organisation |
South Australian Research and Development Institute |
|---|---|
| Host research organisation |
Hart Field Site Group |
| Trial funding source | SAGIT |
| Related program | N/A |
| Acknowledgments |
Thanks to SAGIT for funding this research, SARDI Clare staff for trial management and the Hart Field-Site Group for provision of the land and extension of the work. |
| Other trial partners | Not specified |
| Crop types | Cereal (Grain): Wheat Cereal (Grain): Barley |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Randomised,Replicated,Blocked |
| Sow date | 30 May 2012 |
|---|---|
| Harvest date | Not specified |
| Plot size | 1.4m x 10m |
| Plot replication | Not specified |
| Fertiliser |
DAP (18:20) + 2% Zn @ 70kg/ha Post emergent nitrogen: 50kg N @ GS31 |
| Sow date | Not specified |
|---|---|
| Harvest date | Not specified |
| Plot size | Not specified |
| Plot replication | Not specified |
| Fertiliser | Not specified |
| # |
Treatment 1
|
Plant density (plants/m2) | Grain yield (t/ha) |
|---|---|---|---|
| 1 | █ 200 sd/m2 Tamaroi (standard) | 175.7 | 0.7 |
| 2 | █ 200 sd/m2 Tjikuri | 163 | 0.63 |
| 3 | █ 100 sd/m2 Tamaroi | 89.7 | 0.62 |
| 4 | █ 100 sd/m2 Tjikuri | 87.9 | 0.66 |
| 5 | █ 300 sd/m2 Tamaroi | 228.3 | 0.97 |
| 6 | █ 300 sd/m2 Tjikuri | 237 | 0.96 |
| 7 | █ Tamaroi (narrow rows) | 155.4 | 0.78 |
| 8 | █ Tjilkuri (narrow rows) | 150.4 | 0.97 |
| 9 | █ Tamaroi (early N) | 147.7 | 0.42 |
| 10 | █ Tjilkuri (early N) | 152.6 | 0.45 |
| 11 | █ Large seeded Tjilkuri | 183.4 | 1.26 |
| 12 | █ Fathom | 154 | 3.28 |
| 13 | █ Hindmarsh | 139.9 | 2.85 |
| 14 | █ Scout | 176.8 | 1.53 |
| 15 | █ UoA competitive Line | 176.1 | 1.2 |
| Rainfall trial gsr (mm) | 168mm |
|---|
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.
