| Researcher(s) |
James Easton (CSBP) |
|---|---|
| Year(s) | 2013 |
| Contributor | Liebe Group |
| Trial location(s) |
Wongan Hills, WA
|
To determine whether lime has an effect on potassium (K) response
| Lead research organisation |
CSBP |
|---|---|
| Host research organisation | N/A |
| Related program | N/A |
| Acknowledgments |
Joe Steenson, Wongan Hills (Host Farmer) Ryan Guthrie and Rowan Maddern (CSBP Field Research) |
| Other trial partners | Not specified |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sow date | 17 May 2013 |
|---|---|
| Harvest date | Not specified |
| Plot size | 40m x 2.5m |
| Plot replication | 3 |
| Fertiliser |
All treatments except controls (plots 1&6) had 68 kg N/ha and 13 kg P/ha). K rates varied as per treatment schedule. |
| Herbicide |
1.5 L/ha Powermax, 2 L/ha Boxer Gold, 1 L/ha Treflan, 35 g/ha Logran |
| Other trial notes |
Trial Ran over three years, yield results taken from 2013 season (wheat), 2012 season (wheat) and 2010 season (canola). |
| @T1: 2011 | @T2: 2012 | ||||
|---|---|---|---|---|---|
| # |
Treatment 1
|
Treatment 2
|
Grain yield (t/ha) | Grain yield (t/ha) | Grain yield (t/ha) |
| 1 | █ Control (Nil Compound, Nil Lime) | █ Nil K | 1.28 | 0.58 | 1.87 |
| 1 | █ 2.6 t/ha Lime | █ 50 kg/ha K | 2.12 | 1.07 | 2.19 |
| 1 | █ Nil Lime | █ Nil K | 1.82 | 1.07 | 2.47 |
| 2 | █ Nil Lime | █ 12 kg/ha K | 2.15 | 1.09 | 2.19 |
| 2 | █ Nil Lime | █ 25 kg/ha K | 2.07 | 1.13 | 2.24 |
| 2 | █ Nil Lime | █ 50 kg/ha K | 2.24 | 1.12 | 2.28 |
| 3 | █ Control (Nil Compound, 2.6 t/ha Lime) | █ Nil K | 1.32 | 0.65 | 2.02 |
| 3 | █ 2.6 t/ha Lime | █ Nil K | 1.72 | 1.16 | 2.33 |
| 3 | █ 2.6 t/ha Lime | █ 12 kg/ha K | 2.06 | 1.15 | 2.27 |
| 4 | █ 2.6 t/ha Lime | █ 25 kg/ha K | 2.04 | 1.21 | 2.51 |
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| Rainfall trial gsr (mm) | 196mm |
|---|
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.
