| Researcher(s) |
Chris Gazey (Department of Agriculture) |
|---|---|
| Year(s) | 2004 |
| Contributor | Liebe Group |
| Trial location(s) |
Maya, WA
|
To test a suitable relatively quick and cost-effective method of ameliorating subsurface acidity.
Before attempting subsurface lime incorporation it is essential that the pH of the profile be known. The amelioration treatments were no larger than the effect of the ripping.
| Lead research organisation | N/A |
|---|---|
| Host research organisation | N/A |
| 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 | Unknown |
| Sow date | 30 May 2004 |
|---|---|
| Harvest date | Not specified |
| Plot size | 50m x 7.5m |
| Plot replication | 3 |
| Fertiliser |
MAPS TE 30% NPK 70% at sowing @ 90 kg/ha, urea @ 90 kg/ha pre |
| Herbicide |
Pre seeding: Roundup 1.2 L, Treflan 1.6L, Shirquat 700mLs, Diuron 185g Post seeding: lve MCPA 435mLs, Lontrel 20g, Logran 7g |
| # |
Treatment 1
|
Grain yield (t/ha) |
|---|---|---|
| 1 | █ Control: no ripping and no product applied | 2.33 |
| 2 | █ Deep place a 50:50mixture of limesand and gypsum at the highest amount of mixture | 2.58 |
| 3 | █ Deep place a mixture of limesand, at the highest amount of limesand, and potassium chloride (100 kg/ha muriate of potash) | 2.69 |
| 4 | █ Deep place half maximum amount of limesand | 2.62 |
| 5 | █ Deep place highest amount of dolomite | 2.67 |
| 6 | █ Deep place highest amount of gypsum | 2.61 |
| 7 | █ Deep place highest amount of limesand | 2.68 |
| 8 | █ Deep ripping only | 2.7 |
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.
