| Researcher(s) |
James Easton (CSBP) |
|---|---|
| Year(s) | 2013 |
| Contributor | Liebe Group |
| Trial location(s) |
Marchagee, WA
|
To determine the effects of spading on lime and potassium (K) response
| Lead research organisation |
CSBP |
|---|---|
| Host research organisation | N/A |
| Related program | N/A |
| Acknowledgments |
Michael O’Callaghan, Coorow (Host Farmer) Ryan Guthrie and Rowan Maddern (CSBP Field Research) |
| Other trial partners | Not specified |
| Crop type | Grain Legume: Lupins |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sow date | 2 May 2013 |
|---|---|
| Harvest date | Not specified |
| Plot size | 20m x 2.5m |
| Plot replication | 4 |
| Fertiliser |
No fertiliser applied in 2013; lime and MoP were applied in 2012 |
| Herbicide |
600 g/ha Simazine, 130 g/ha Metribuzin, 1.6 L/ha Glyphosate, 130 mL/ha Alpha Cypermethrin, 2.7 L/ha Treflan, 0.2% Wetter, 1% Sulphate of Ammonia, 410 mL/ha Clethodim, 270 mL/ha Alpha Cypermethrin, 0.7% Uptake, 1% Sulphate of ammonia0.2% SP700,410 mL/ha Clethodim, 270 mL/ha Alpha Cypermethrin, 0.7% Uptake, 1% Sulphate of ammonia |
| # |
Treatment 1
|
Grain yield (t/ha) | Plant weight (g) | Plant potassium (%) | Potassium uptake (mg/plant) |
|---|---|---|---|---|---|
| 1 | █ Control | 0.88 | 0.48 | 0.7 | 3.4 |
| 2 | █ Lime only | 0.9 | 0.45 | 0.66 | 3 |
| 3 | █ Potash + Lime | 1.2 | 0.51 | 0.86 | 4.4 |
| 4 | █ Potash only | 1.22 | 0.48 | 0.9 | 4.3 |
| 5 | █ Spading + Lime | 1.09 | 0.49 | 0.69 | 3.4 |
| 6 | █ Spading + Potash | 1.38 | 0.55 | 0.9 | 5 |
| 7 | █ Spading + Potash + Lime | 1.34 | 0.55 | 0.9 | 5 |
| 8 | █ Spading only | 1.08 | 0.5 | 0.72 | 3.6 |
| Rainfall trial gsr (mm) | 242mm |
|---|
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.
