| Researcher(s) |
Damian Jones |
|---|---|
| Contact email | damian@irrigationfn.com.au |
| Year(s) | 2023 |
| Contributor | Irrigated Cropping Council |
| Trial location(s) |
Yalca, VIC, VIC
|
| Further information | View external link |
| Lead research organisation |
Irrigated Cropping Council |
|---|---|
| Host research organisation | N/A |
| Trial funding source | GRDC ICF2308-001SAX |
| Related program | N/A |
| Acknowledgments |
Ray Thornton, demonstration host farmer |
| Other trial partners | Not specified |
| Crop type | Cereal (Grain): Maize |
|---|---|
| Treatment type(s) |
|
| Trial type | Demonstration |
| Trial design | Unreplicated |
| Sow rate or Target density | 90000 plants/ha |
|---|---|
| Sowing machinery |
6-row maize planter |
| Sow date | 31 October 2023 |
| Harvest date | 4 April 2024 |
| Plot size | 380m x 4.5m |
| Plot replication | Not specified |
| Fertiliser |
Treatment 1 | Standard: 186 kg/ha pre-plant + 80 kg/ha sowing + 98 kg/ha in crop = 364 kgN/ha + 66 kg P/ha Treatment 2 | Low N: 94 kg/ha pre-plant + 80 kg/ha sowing + 98 kg/ha in crop = 272 kgN/ha + 66 kg P/ha Treatment 3 | High P: 196 kg/ha pre-plant + 80 kg/ha sowing + 98 kg/ha in crop = 374 kgN/ha + 88 kg P/ha Treatment4 | No Upfront N: 30 kg/ha pre-plant + 152 kg/ha at sowing + 98 kg/ha in crop = 280 kgN/ha + 66 kg P/ha |
| # |
Treatment 1
|
Grain yield (t/ha) |
|---|---|---|
| 1 | █ 364 N + 66 P | 18.1 |
| 2 | █ 272 N + 66 P | 18.1 |
| 3 | █ 374 N + 88P | 18.4 |
| 4 | █ 280 N + 66 P (no N upfront) | 17.2 |
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.