| Researcher(s) |
Nick Poole Darcy Warren |
|---|---|
| Year(s) | 2020 |
| Contributor | Field Applied Research (FAR) Australia |
| Trial location(s) |
Millicent, SA
|
To assess the value of higher nutrition input (N, P, K & S) for wheat in the growing season and as an “N bank” for the following season (cv RGT Accroc).
Individual objectives specific to the trials were:
- To assess the value of additional nutrients in the growing crop (set up as small plots at the Research Centre) and for the following crop (mirror image trial set up in host farmer paddock to be monitored in 2021).
- To assess the value of adding increased P, K, and S when targeting higher yield potential rather than N alone.
• There was no response above the standard N input of 130kg N/ha, which also received a standard of 100kg/ha MAP at sowing (10N, 21.9P).
• Protein levels (12.1% in the standard) and dry matter at harvest indicated that yield was maximised at this level of nutritional input.
• Protein was increased by more N applied but yield was unaffected.
• Test weight was significantly reduced but differences were small (1kg/hL)
Rotation position: 1st Cereal after canola, 2018 wheat.
Soil type & management: Neutral-slightly alkaline Organosol (Peat soil) – high organic matter (0-30cm).
| Lead research organisation |
Field Applied Research (FAR) Australia |
|---|---|
| Host research organisation | N/A |
| Trial funding source | GRDC FAR2004-002SAX |
| Related program |
FAR Hyper Yielding Crops 2020-2022 |
| Acknowledgments | N/A |
| Other trial partners | Not specified |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Randomised,Replicated,Blocked |
| Sow rate or Target density | 180 seeds/m2 |
|---|---|
| Sow date | 16 - 18 April 2020 |
| Harvest date | 4 - 6 January 2021 |
| Plot size | Not specified |
| Plot replication | Not specified |
| Fertiliser |
Please see trial report for treatment details |
| Fungicide |
25 August - Prosaro 300mL/ha 14 September - Radial 840mL/ha |
| Seed treatment | Vibrance/Gaucho |
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.
