Researcher(s) |
Nathan Dovey |
---|---|
Contact email | phillip.mackie@scfarmers.org.au |
Contact phone | 0437120891 |
Year(s) | 2018 - 2019 |
Contributor | Stirlings to Coast Farmers |
Trial location(s) |
Frankland, WA
Muradup, WA |
To enable growers to make timely and efficient nitrogen decisions in the Albany and Esperance port zones by having a rule of thumb around the cost/benefit of feeding N to crops on waterlogged soils.
Lead research organisation |
Stirlings to Coast Farmers |
---|---|
Host research organisation |
Stirlings to Coast Farmers |
Trial funding source | GRDC 9176138 |
Related program | N/A |
Acknowledgments | N/A |
Other trial partners | Not specified |
Crop type | Cereal (Grain): Wheat |
---|---|
Treatment type(s) |
|
Trial type | Experimental |
Trial design | Replicated |
Sow rate or Target density | 100 kg/ha |
---|---|
Sow date | 7 June 2018 |
Harvest date | 7/01/2019 and 4/01/2019 |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser |
Sowing: 105kg/ha Macrofertil, 20kg MOP. Nil
NAppl1
NAppl2
NAppl3
NAppl4
|
Sow rate or Target density | 120 kg/ha |
---|---|
Sow date | 29 May 2019 |
Harvest date | Not specified |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser |
Sowing: 110kg/ha of MAP and Mn and 20kg/ha of MOP. In season:
The fourth application of the High N treatment was unable to be applied due to the dry seasonal conditions during the 2019 growing season. The first application was on 14th June, second on 29th July, and the third and final applications were on 19th August 2019. |
Sow rate or Target density | 90 kg/ha |
---|---|
Sow date | 21 May 2018 |
Harvest date | Not specified |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser |
Sowing: 100kg of Agstar Cu, Zn, Mn and 25kg MOP In season: Nil
NAppl1
NAppl2
NAppl3
NAppl4
|
Sow rate or Target density | Not specified |
---|---|
Sow date | Not specified |
Harvest date | Not specified |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser | Not specified |
# |
Treatment 1
|
Treatment 2
|
Grain yield (t/ha) |
---|---|---|---|
1 | █ NAPPL1 | █ Rep 1 | 2.86 |
2 | █ NAPPL1 | █ Rep 2 | 2.77 |
3 | █ NAPPL1 | █ Rep 3 | 2.09 |
4 | █ Nil | █ Rep 1 | 1.45 |
5 | █ Nil | █ Rep 2 | 2.09 |
6 | █ Nil | █ Rep 3 | 2.05 |
7 | █ NAPPL2 | █ Rep 1 | 1.64 |
8 | █ NAPPL2 | █ Rep 2 | 1.91 |
9 | █ NAPPL2 | █ Rep 3 | 2.68 |
10 | █ NAPPL3 | █ Rep 1 | 3.18 |
11 | █ NAPPL3 | █ Rep 2 | 3.09 |
12 | █ NAPPL3 | █ Rep 3 | 3.05 |
13 | █ NAPPL4 | █ Rep 1 | 3.41 |
14 | █ NAPPL4 | █ Rep 2 | 3.36 |
15 | █ NAPPL4 | █ Rep 3 | 2.95 |
# |
Treatment 1
|
Treatment 2
|
Grain yield (t/ha) |
---|---|---|---|
1 | █ Nil | █ Rep 1 | 3.33 |
2 | █ Nil | █ Rep 2 | 3.19 |
3 | █ Nil | █ Rep 3 | 3.18 |
4 | █ NAPPL1 | █ Rep 1 | 3.55 |
5 | █ NAPPL1 | █ Rep 2 | 3.42 |
6 | █ NAPPL1 | █ Rep 3 | 3.48 |
7 | █ NAPPL2 | █ Rep 1 | 4.17 |
8 | █ NAPPL2 | █ Rep 2 | 3.65 |
9 | █ NAPPL2 | █ Rep 3 | 3.93 |
10 | █ NAPPL3 | █ Rep 1 | 4.21 |
11 | █ NAPPL3 | █ Rep 2 | 3.57 |
12 | █ NAPPL3 | █ Rep 3 | 3.29 |
13 | █ NAPPL4 | █ Rep 1 | 3.67 |
14 | █ NAPPL4 | █ Rep 2 | 3.57 |
15 | █ NAPPL4 | █ Rep 3 | 3.6 |
# |
Treatment 1
|
Rainfall (mm) |
---|---|---|
1 | █ June | 80.6 |
2 | █ July | 82.8 |
3 | █ August | 80 |
4 | █ September | 16.2 |
5 | █ October | 28.8 |
6 | █ Noevmber | 43.4 |
7 | █ December | 13.4 |
# |
Treatment 1
|
Rainfall (mm) |
---|---|---|
1 | █ June | 61.5 |
2 | █ July | 129.5 |
3 | █ August | 161.5 |
4 | █ September | 20 |
5 | █ October | 26 |
6 | █ Noevmber | 21 |
7 | █ December | 20.5 |
# |
Treatment 1
|
Grain yield (t/ha) |
---|---|---|
1 | █ Control (+100) | 5.03 |
2 | █ Farmer Practice (+100, +130) | 5.43 |
3 | █ Split (+100, +65, +65) | 5.34 |
4 | █ High N +65 (+100, +130, +65) | 5.29 |
# |
Treatment 1
|
Protein (%) | Moisture (%) | Screenings (%) | Hectolitre weight (kg/hL) |
---|---|---|---|---|---|
1 | █ Control (+100kg/ha) | 9.2 | 9.7 | 0.95 | 82.4 |
2 | █ Farmer practice (+100, +130kg/ha) | 9.6 | 9.6 | 0.8 | 81.5 |
3 | █ Split (+100, +65, +65kg/ha) | 10.3 | 9.6 | 0.95 | 81.4 |
4 | █ High N (+100, +130, +65, +65kg/ha) | 10.6 | 9.6 | 1.06 | 81.2 |
# |
Treatment 1
|
Cost ($/ha) | Average net margin ($/ha) | Price ($/t) | Grade (grade) | Total Revenue ($/ha) | Grain yield (t/ha) |
---|---|---|---|---|---|---|---|
1 | █ Control (+100) | 50 | 1660 | 340 | ASW | 1710 | 5.03 |
2 | █ Farmer practice (+100, +130) | 115 | 1730 | 340 | ASW | 1845 | 5.43 |
3 | █ Split (+100, +65, +65) | 115 | 1699 | 340 | APW2 | 1814 | 5.34 |
4 | █ High N (+100, +130, +65, +$65) | 147.5 | 1660 | 342 | APW1 | 1807 | 5.29 |
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.