| Researcher(s) |
Damian Jones |
|---|---|
| Year(s) | 2017 |
| Contributor | Irrigated Cropping Council |
| Trial location(s) |
Kerang, VIC
|
| Related trials |
To test several agronomic strategies designed to maximise yield and achieve DR1 specifications under surface irrigated conditions
Preparing a Nitrogen Budget is essential, but there are two key factors, estimates of yield and mineralisation, that do affect the risk of achieving DR1
| Lead research organisation |
Irrigated Cropping Council |
|---|---|
| Host research organisation | N/A |
| Trial funding source | GRDC ICF00012 |
| Related program |
GRDC Southern Irrigated Cereal and Canola Varieties Achieving Target Yields |
| Acknowledgments |
Gururaj Kadkol, Northern Durum Breeding Program, NSW DPI |
| Other trial partners | Not specified |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sow rate or Target density | 175 plants/m2 |
|---|---|
| Sowing machinery |
John Shearer tyned seeder, 175 mm spacing, Baker boots |
| Sow date | 29 May 2017 |
| Harvest date | 12 December 2017 December 12th |
| Plot size | 15m x 1.42m |
| Plot replication | 3 |
| Fertiliser |
125 kg DAP/ha at sowing ToS1 50 kg N/ha 13/8, 50 kg N/ha 1/9, 60 kg N/ha 29/9 ToS2 50 kg N/ha 13/8, 50 kg N/ha 13/9, 60 kg N/ha 1/10 |
| Herbicide |
Glyphosate 540 1.5 l/ha + Goal 75 ml/ha May 11th Glyphosate 540 1.0 l/ha May 28th Traithlon 750 ml/ha Aug 11th |
| Fungicide |
Tilt Xtra, 250 ml/ha at Z39 |
| Seed treatment | Guacho 600 120 ml/100 kg |
| # | Variety |
Treatment 1
|
Treatment 2
|
Protein (%) | Grain yield (t/ha) |
|---|---|---|---|---|---|
| 1 | █ DBA Aurora | █ Time of Sowing 1 | █ Control N strategy | 11 | 10.59 |
| 2 | █ DBA Aurora | █ Time of Sowing 1 | █ Trace elements | 11.1 | 10.48 |
| 3 | █ DBA Aurora | █ Time of Sowing 1 | █ High N | 11.4 | 10.4 |
| 4 | █ DBA Aurora | █ Time of Sowing 1 | █ Extra PGR Z39 | 10.9 | 10.33 |
| 5 | █ DBA Aurora | █ Time of Sowing 1 | █ Nitroguard | 11.2 | 10.23 |
| 6 | █ DBA Aurora | █ Time of Sowing 1 | █ Late N | 12.2 | 10.21 |
| 7 | █ DBA Aurora | █ Time of Sowing 1 | █ 0 topdressed N | 9.7 | 9.34 |
| 8 | █ LRPB Scout | █ Time of Sowing 1 | █ Bread wheat comparison | 10.3 | 8.55 |
| 9 | █ DBA Aurora | █ Time of Sowing 2 | █ Control N strategy | 12.8 | 10.6 |
| 10 | █ DBA Aurora | █ Time of Sowing 2 | █ Trace elements | 12.4 | 10.5 |
| 11 | █ DBA Aurora | █ Time of Sowing 2 | █ High N | 12.3 | 10.48 |
| 12 | █ DBA Aurora | █ Time of Sowing 2 | █ Extra PGR Z39 | 12.4 | 10.14 |
| 13 | █ DBA Aurora | █ Time of Sowing 2 | █ Nitroguard | 12.7 | 10.6 |
| 14 | █ DBA Aurora | █ Time of Sowing 2 | █ Late N | 12.9 | 10.35 |
| 15 | █ DBA Aurora | █ Time of Sowing 2 | █ 0 topdressed N | 10 | 10.1 |
| 16 | █ LRPB Scout | █ Time of Sowing 2 | █ Bread wheat comparison | 11.5 | 9.04 |
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.
