Researcher(s) |
Nick Poole (FAR Australia) Michael Straight (FAR Australia) |
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Year(s) | 2016 |
Contributor | Riverine Plains |
Trial location(s) |
Corowa, NSW
Dookie, VIC |
To monitor the performance of nitrogen application to wheat under full stubble retention.
Lead research organisation |
Riverine Plains |
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Host research organisation |
Riverine Plains |
Trial funding source | GRDC RPI00009 |
Related program |
Maintaining profitable farming systems with retained stubble |
Acknowledgments |
The trial was carried out as part of the Riverine Plains Inc GRDC-funded project Maintaining Profitable Farming Systems with Retained Stubble in the Riverine Plains Region. |
Other trial partners | FAR Australia |
Crop type | Cereal (Grain): Wheat |
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Treatment type(s) |
|
Trial type | Experimental |
Trial design | Replicated |
Sow date | 2 May 2016 |
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Harvest date | 10 December 2016 |
Plot size | Not specified |
Plot replication | Not specified |
Herbicide |
host farmer paddock management |
Insecticide |
host farmer paddock management |
Fungicide |
host farmer paddock management |
Other trial notes | Not specified |
Sow date | 2 May 2016 |
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Harvest date | 10 December 2016 |
Plot size | Not specified |
Plot replication | Not specified |
Herbicide |
host farmer paddock management |
Insecticide |
host farmer paddock management |
Fungicide |
host farmer paddock management |
Other trial notes |
GSR (Apr-Oct) |
Sow date | 20 May 2016 |
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Harvest date | 13 December 2016 |
Plot size | Not specified |
Plot replication | Not specified |
Herbicide |
host farmer paddock management |
Insecticide |
host farmer paddock management |
Fungicide |
host farmer paddock management |
Other trial notes | Not specified |
Sow date | 20 May 2016 |
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Harvest date | 13 December 2016 |
Plot size | Not specified |
Plot replication | Not specified |
Herbicide |
host farmer paddock management |
Insecticide |
host farmer paddock management |
Fungicide |
host farmer paddock management |
Other trial notes | Not specified |
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Treatment 1
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Cereal tillers (tillers/m2) | Protein (%) | Crop height (cm) | Grain yield (t/ha) | Nitrogen offtake in grain (kgN/ha) | Head abundance (heads/m2) | Screenings (%) | Test weight (kg/hL) | NDVI (.) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | NDVI (.) | NDVI (.) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | NDVI (.) | NDVI (.) | Nitrogen uptake (kg N/ha) | Dry matter (t/ha) |
1 | █ Nitrogen (0kg/ha) | 327 | 8.6 | 89 | 4.67 | 70 | 311 | 1.7 | 81.6 | 0.471 | 0.8 | 45 | 1.6 | 54.9 | 0.561 | 0.639 | 3.8 | 69 | 10.2 | 126.7 | 0.596 | 0.264 | 64.6 | 12.5 |
1 | █ Nitrogen (60kg/ha) | 463 | 10 | 92 | 5.77 | 101 | 334 | 2.3 | 80.4 | 0.479 | 1.7 | 59.9 | 0.583 | 0.738 | 3.9 | 88.3 | 10.6 | 119.8 | 0.7 | 0.325 | 97.6 | 14.2 | ||
1 | █ Nitrogen (120kg/ha) | 498 | 11.7 | 90 | 5.94 | 122 | 312 | 1.9 | 80.2 | 0.476 | 1.8 | 73.3 | 0.59 | 0.747 | 3.8 | 103.4 | 10.3 | 149.1 | 0.75 | 0.38 | 92.3 | 12.6 | ||
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# | Crop height (cm) | Protein (%) | Grain yield (t/ha) | Nitrogen offtake in grain (kgN/ha) | Head abundance (heads/m2) | Screenings (%) | Test weight (kg/hL) | Cereal tillers (tillers/m2) | Dry matter (t/ha) | NDVI (.) | Nitrogen uptake (kg N/ha) | Nitrogen uptake (kg N/ha) | Dry matter (t/ha) | NDVI (.) | Dry matter (t/ha) | NDVI (.) | Nitrogen uptake (kg N/ha) | Nitrogen uptake (kg N/ha) | Dry matter (t/ha) | NDVI (.) | |
1 | █ Nitrogen GS24 and GS31 | 90 | 10 | 5.63 | 100 | 322 | 2 | 80.8 | 429 | 0.8 | 0.476 | 45 | 63 | 1.7 | 0.598 | 3.9 | 0.721 | 97.4 | 133.1 | 10.4 | 0.325 |
1 | █ Nitrogen GS31 and GS33 | 90 | 10.2 | 5.29 | 95 | 309 | 2 | 80.6 | 430 | 0.475 | 0.558 | 3.7 | 0.695 | 76.4 | 130.5 | 10.3 | 0.321 | ||||
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# | Nitrogen offtake in grain (kgN/ha) | Protein (%) | Grain yield (t/ha) | Cereal tillers (tillers/m2) | Head abundance (heads/m2) | Crop height (cm) | Screenings (%) | Test weight (kg/hL) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | NDVI (.) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | NDVI (.) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | NDVI (.) | NDVI (.) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | |
1 | █ Nitrogen (0kgN/ha) | 80 | 9.7 | 4.67 | 334 | 277 | 89 | 0.6 | 80.5 | 0.4 | 21 | 0.44 | 1.9 | 57 | 0.54 | 4.7 | 81 | 0.72 | 0.66 | 9.1 | 91 | 11.5 | 60 |
1 | █ Nitrogen (60kgN/ha) | 96 | 10.3 | 5.32 | 359 | 320 | 91 | 0.6 | 81 | 0.6 | 32 | 0.48 | 2.1 | 80 | 0.61 | 5.3 | 115 | 0.74 | 0.7 | 9.4 | 91 | 14.1 | 54 |
1 | █ Nitrogen (120kgN/ha) | 108 | 10.4 | 5.96 | 381 | 338 | 91 | 0.7 | 81.2 | 0.6 | 37 | 0.46 | 2.3 | 92 | 0.63 | 5.2 | 125 | 0.76 | 0.72 | 9.9 | 116 | 15.3 | 85 |
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# | Protein (%) | Grain yield (t/ha) | Nitrogen offtake in grain (kgN/ha) | Crop height (cm) | Head abundance (heads/m2) | Screenings (%) | Cereal tillers (tillers/m2) | Test weight (kg/hL) | Nitrogen uptake (kg N/ha) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | Dry matter (t/ha) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | Dry matter (t/ha) | Nitrogen uptake (kg N/ha) | |
1 | █ Nitrogen applied at GS13 and GS30 | 10.2 | 5.18 | 93 | 91 | 302 | 0.6 | 354 | 80.9 | 30 | 0.5 | 79 | 2.1 | 105 | 5 | 9.5 | 90 | 13.6 | 71 |
1 | █ Nitrogen applied at GS30 and GS33 | 10.1 | 5.45 | 97 | 90 | 322 | 0.7 | 361 | 80.9 | 73 | 2 | 110 | 5.1 | 9.4 | 109 | 13.7 | 61 | ||
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Rainfall trial gsr (mm) | 567mm |
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Rainfall trial gsr (mm) | 567mm |
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Rainfall trial gsr (mm) | 509mm |
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Rainfall trial gsr (mm) | 509mm |
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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.