Researcher(s) |
Stephen Davies (DAFWA) Roger Lawes (CSIRO) Lara Swift (Liebe Group) |
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Year(s) | 2008 |
Contributor | Liebe Group |
Trial location(s) |
Miling, WA
|
To assess and demonstrate the benefits of varying fertiliser inputs across a range of productivity zones from a poor performing shallow gravel to a good performing loamy earth.
Lead research organisation | N/A |
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Host research organisation | N/A |
Trial funding source | GRDC CSA00016,LIE00005 |
Related program | N/A |
Acknowledgments |
We thank Lance and Robyn Kennedy for hosting and helping implement the trial and Adriaan De Waal for advice and assistance. Thanks to Emma Wilson (formerly Liebe Group) for initial trial setup of the trial and Chis O'Callaghan (Liebe Group) for assistance with harvest and soil sampling. We ackowledge financial suppor of GRDC.
|
Other trial partners | Not specified |
Crop type | Cereal (Grain): Wheat |
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Treatment type(s) |
|
Trial type | Experimental |
Trial design | Replicated |
Sow date | 27 May 2008 |
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Harvest date | Not specified |
Plot size | 1040m x 12m |
Plot replication | 2 |
Psuedoreplication | Not specified |
Fertiliser |
K-Plant: Low rate = 40kg/ha; High rate = 80 kg/ha, Urea Ammonium Nitrate (UAN): Low = 25 L/ha upfront + 50 L/ha on 23/7/08, Medium = 50 L/ha upfront + 50 L/ha on 23/7/08, High = 65 L/ha upfront + 100 L/ha on 23/7/08, (An additional 25 L/ha UAN was mistakenly applied to second replicate) |
Herbicide |
Knockdown:1.1 L/ha Raze (510 g/L glyphosate), 400 mL/ha Ester 600, 350 mL/ha Metalachlor, 1.5 L/ha Triflur Postemergent: 750 mL/ha Jaguar, 50 mL/ha Brodal, 65 mL/ha Topic, 7 g/ha Rovral, 800 mL/ha Ester 600 |
Insecticide |
500 mL/ha Dimethoate |
Fungicide |
145 mL/ha Stingray |
# |
Treatment 1
|
Treatment 2
|
Treatment 3
|
Screenings (%) | Protein (%) | Grain yield (t/ha) |
---|---|---|---|---|---|---|
1 | █ UAN L/ha: 25+50 | █ K Plant kg/ha: 40 | █ Rep 1 | 2.1 | 10.5 | 1.9 |
2 | █ UAN L/ha: 25+50 | █ K Plant kg/ha: 40 | █ Rep 2 | 1.7 | 10.7 | 2.1 |
3 | █ UAN L/ha: 50+50 | █ K Plant kg/ha: 40 | █ Rep 1 | 1.3 | 10.9 | 1.8 |
4 | █ UAN L/ha: 50+50 | █ K Plant kg/ha: 40 | █ Rep 2 | 1.6 | 10.7 | 2.1 |
5 | █ UAN L/ha: 65+100 | █ K Plant kg/ha: 40 | █ Rep 1 | 1.6 | 11.2 | 2 |
6 | █ UAN L/ha: 65+100 | █ K Plant kg/ha: 40 | █ Rep 2 | 2.6 | 11.1 | 2 |
7 | █ UAN L/ha: 25+50 | █ K Plant kg/ha: 80 | █ Rep 1 | 1.9 | 11 | 1.8 |
8 | █ UAN L/ha: 25+50 | █ K Plant kg/ha: 80 | █ Rep 2 | 1.2 | 10.5 | 2.1 |
9 | █ UAN L/ha: 50+50 | █ K Plant kg/ha: 80 | █ Rep 1 | 1.8 | 10.6 | 2 |
10 | █ UAN L/ha: 50+50 | █ K Plant kg/ha: 80 | █ Rep 2 | 2.2 | 10.7 | 2.2 |
11 | █ UAN L/ha: 65+100 | █ K Plant kg/ha: 80 | █ Rep 1 | 3.3 | 11.3 | 2.1 |
12 | █ UAN L/ha: 65+100 | █ K Plant kg/ha: 80 | █ Rep 2 | 2.4 | 11.4 | 2.1 |
Rainfall trial gsr (mm) | 216mm |
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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.