| Researcher(s) |
Joel Andrew (Map IQ) Tim Boyes (AgVivo) Charlie Boyle (DPIRD) Stephen Davies (DPIRD) |
|---|---|
| Year(s) | 2018 |
| Contributor | agVivo |
| Trial location(s) |
York, WA
|
To compare and showcase a range of strategic tillage options for amelioration of shallow sandy duplex soils (Sand over clay/gravel) and to assess their effectiveness at overcoming a range of soil constraints including topsoil water repellence and Compaction and increasing crop productivity over a period of 4-5 years.
| Lead research organisation |
agVivo |
|---|---|
| Host research organisation | N/A |
| Trial funding source | GRDC AVP00003 |
| Related program | N/A |
| Acknowledgments |
The research undertaken as part of this project is made possible by the significant contributions of growers through both trial cooperation and Primaries WA investment, the author would like to thank them for their continued support. The authors acknowledge the Boyle family for hosting, implementing and assisting with the management of the research site. The GRDC funded and DPIRD led DAW00244 soil water repellence project is acknowledged for supporting selected soil and crop assessments. |
| Other trial partners | Map IQ |
| Crop type | Cereal (Grain): Barley |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Blocked |
| Sowing machinery |
Machines used for the tillage treatments included a Bednar Terraland deep ripper, Farmax rotary spader, Kverneland reversible mouldboard plough, a modified Shearer 5GP Plozza system one-way plough and a Grizzly Tiny off-set disc. All of the tillage treatments were applied prior to seeding. |
|---|---|
| Sow date | 26 May 2018 |
| Harvest date | Unknown |
| Plot size | Not specified |
| Plot replication | Not specified |
| # |
Treatment 1
|
Establishment plants (plants/m2) |
|---|---|---|
| 1 | █ Control | 103 |
| 2 | █ Deep Rip | 108 |
| 3 | █ Deep Rip + Spade | 95 |
| 4 | █ Deep Rip + MBP | 113 |
| 5 | █ Deep Rip + Offset Disc | 116 |
| 6 | █ Deep Rip + Plozza Plough | 119 |
| 7 | █ Plozza Plough | 125 |
| 8 | █ MBP | 126 |
| # |
Treatment 1
|
Cereal tillers (tillers/m2) |
|---|---|---|
| 1 | █ Control | 436 |
| 2 | █ Deep Rip | 432 |
| 3 | █ Deep Rip + Spade | 507 |
| 4 | █ Deep Rip + MBP | 621 |
| 5 | █ Deep Rip + Offset Disc | 513 |
| 6 | █ Deep Rip + Plozza Plough | 604 |
| 7 | █ Plozza Plough | 656 |
| 8 | █ MBP | 587 |
| # |
Treatment 1
|
Grain yield (t/ha) |
|---|---|---|
| 1 | █ Control | 3.59 |
| 2 | █ Deep Rip | 4.26 |
| 3 | █ Deep Rip + Spade | 4.8 |
| 4 | █ Deep Rip + MBP | 4.47 |
| 5 | █ Deep Rip + Offset Disc | 4.63 |
| 6 | █ Deep Rip + Plozza Plough | 4.78 |
| 7 | █ Plozza Plough | 4.94 |
| 8 | █ MBP | 4.47 |
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.
