| Researcher(s) |
Greg Condon (Grassroots Agronomy) |
|---|---|
| Year(s) | 2012 |
| Contributor | FarmLink Research |
| Trial location(s) |
Illabo, NSW
|
To assess the differences between disc and tyne seeding systems in commercial practice.
| Lead research organisation | N/A |
|---|---|
| Host research organisation |
FarmLink Research |
| Related program | N/A |
| Acknowledgments |
Co-operators: Tony Lehmann, Chris Moloney and family, Greg Condon Grassroots Agronomy Monitoring: Paul Breust, FarmLink Research Ltd |
| Other trial partners | Tony Lehmann, Hillside; Moloney Family; Grassroots Agronomy |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Demonstration |
| Trial design | Replicated |
| Sow rate or Target density | 50kg/ha |
|---|---|
| Sowing machinery |
Seeders: John Deere single disc opener on 305mm spacing. The disc was fitted with depth wheels, press wheels and Aricks wheels to minimise hair pinning and improve herbicide incorporation. Flexi-Coil bar and tynes on 300mm spacing. Knife points and press wheels. |
| Sow date | 5 May 2012 |
| Harvest date | 10 December 2012 |
| Plot size | Not specified |
| Plot replication | Not specified |
| Fertiliser |
100kg/ha MAP at sowing 30/6/12: 30 units N 15/8/12: 50 units N |
| Herbicide |
Pre sowing: Double knock R/up then Gramoxone + Diuron Post sowing: 750mls MCPA Lve, 5gms Ally, 50ml Brodal, 200ml Lontrel Late post emergent: Crusader for brome and wild oats |
| Fungicide |
Impact at sowing |
| # | Variety |
Treatment 1
|
Grain yield (t/ha) | Emergence plants (plants/m2) | Water use efficiency (kg/mm) | Colwell phosphorus (mg/kg) | DGT (ug/kg) |
|---|---|---|---|---|---|---|---|
| 1 | █ Wedgetail | █ Disc seeded | 4.64 | 79 | 15.5 | ||
| 2 | █ Wedgetail | █ Tyne seeded | 4.57 | 86 | 15.2 | 37 | 51 |
| Rainfall trial gsr (mm) | 200mm |
|---|
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.
