| Researcher(s) |
Joel Andrew (Map IQ) Tim Boyes (agVivo) |
|---|---|
| Year(s) | 2017 |
| Contributor | agVivo |
| Trial location(s) |
Quairading, WA
|
To assess the impact of deep ripping and spading on crop yield across three different soil types near Quairading, WA.
| 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 the grower and Tim Boyes who setup the demonstration sites. This assessment of the trial and report is funded by the GRDC through the Albany Region Cropping Solution Network. GRDC Project Number: AVP00003-A |
| Other trial partners | Map IQ |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Demonstration |
| Trial design | Unknown |
| Sow date | Not specified |
|---|---|
| Harvest date | Not specified |
| Plot size | Not specified |
| Plot replication | Not specified |
| # |
Treatment 1
|
Treatment 2
|
Grain yield (t/ha) |
|---|---|---|---|
| 1 | █ Deep White Sand | █ Rip + Spade | 1.107 |
| 2 | █ Deep White Sand | █ Control | 0.656 |
| 3 | █ Deep Yellow Sand | █ Rip + Spade | 2.214 |
| 4 | █ Deep Yellow Sand | █ Control | 1.066 |
| 5 | █ Sand Gravel Duplex | █ Rip + Spade | 2.337 |
| 6 | █ Sand Gravel Duplex | █ Control | 1.23 |
| # |
Treatment 1
|
Soil strength (kPa) | Soil loosening depth (cm) |
|---|---|---|---|
| 1 | █ Control | 988 | -5 |
| 2 | █ Control | 1257 | -10 |
| 3 | █ Control | 1828 | -15 |
| 4 | █ Control | 2593 | -20 |
| 5 | █ Control | 3319 | -25 |
| 6 | █ Control | 4048 | -30 |
| 7 | █ Control | 4027 | -35 |
| 8 | █ Control | 3655 | -40 |
| 9 | █ Control | 3266 | -45 |
| 10 | █ Control | 2928 | -50 |
| 11 | █ Control | 2628 | -55 |
| 12 | █ Control | 2417 | -60 |
| 13 | █ Control | 2269 | -65 |
| 14 | █ Control | 2198 | -70 |
| 15 | █ Rip + Spade | 160 | -5 |
| 16 | █ Rip + Spade | 639 | -10 |
| 17 | █ Rip + Spade | 824 | -15 |
| 18 | █ Rip + Spade | 953 | -20 |
| 19 | █ Rip + Spade | 1164 | -25 |
| 20 | █ Rip + Spade | 1510 | -30 |
| 21 | █ Rip + Spade | 1746 | -35 |
| 22 | █ Rip + Spade | 1890 | -40 |
| 23 | █ Rip + Spade | 1874 | -45 |
| 24 | █ Rip + Spade | 1978 | -50 |
| 25 | █ Rip + Spade | 2452 | -55 |
| 26 | █ Rip + Spade | 2467 | -60 |
| 27 | █ Rip + Spade | 2370 | -65 |
| 28 | █ Rip + Spade | 2449 | -70 |
| 29 | █ Barrier | 2500 | -5 |
| 30 | █ Barrier | 2500 | -10 |
| 31 | █ Barrier | 2500 | -15 |
| 32 | █ Barrier | 2500 | -20 |
| 33 | █ Barrier | 2500 | -25 |
| 34 | █ Barrier | 2500 | -30 |
| 35 | █ Barrier | 2500 | -35 |
| 36 | █ Barrier | 2500 | -40 |
| 37 | █ Barrier | 2500 | -45 |
| 38 | █ Barrier | 2500 | -50 |
| 39 | █ Barrier | 2500 | -55 |
| 40 | █ Barrier | 2500 | -60 |
| 41 | █ Barrier | 2500 | -65 |
| 42 | █ Barrier | 2500 | -70 |
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.
