Trial details
| Property | DAFWA Wongan Hills Research Facility |
|---|---|
| Plot size and replication | 20m x 1.8m x three replications |
| Soil type | Yellow sand |
| Paddock rotation | 2011 - wheat, 2012 - canola |
| Treatments | Six varieties - Cobra, Corack, Emu Rock, Mace, Magenta, Wyalkatchem Two times of sowing (early sowing close to the break, late sowing 3-4 weeks after the first sowing) Three nitrogen rates - nil (basal fertiliser), low (30kg N, target 10% protein) and high (60kgN, target 11% protein) |
| Time of sowing (TOS) | TOS 1: 6 May 2013 (dry) TOS 2: 28 May 2013 (wet) |
| Seeding rate | Equivalent to 60kg/ha based on plant density (150plants/m2), seed weight (mg) and germination % for each variety. Established population was 140plants/m2. |
| Fertiliser | 100kg/ha superphosphate at seeding plus: For 6N - 12kg/ha urea topdressed at seeding For 30N - 62kg/ha urea topdressed at seeding + 15kg/ha topdressed six weeks after seeding For 60N - 62kg/ha urea topdressed at seeding + 80kg/ha urea topdressed six weeks after seeding. |
| Herbicide | Whole site 31 January 2013: 1.2L/ha Roundup + 0.6L/ha ester + 0.5% Li700 6 May 2013: 2L/ha SpraySeed250 + 118g/ha Sakura 10 June 2013: 300mL/ha Axial + 0.5% Adigor TOS1 20 June 2013: 0.67L/ha Velocity + 1% Hasten TOS 2 28 May 2013: 2L/ha SpraySeed250 + 119g/ha Sakura 22 July 2013: 0.67 L/ha Velocity + 1% Hasten |
| Growing season rainfall | 228mm (opening rains - 46mm in May which fell after the first week) |