| Researcher(s) |
Chris Davey (YP AG) |
|---|---|
| Year(s) | 2011 |
| Contributor | Northern Sustainable Soils |
| Trial location(s) |
Port Broughton, SA
|
To observe and record what impact varying stubble heights have on wind speed and therefore soil erosion and crop vigour
Stubble height can have a significant impact on wind speed close to the soil surface. This can increase soil erosion in vunerable environments (sand hills).
| Lead research organisation |
Northern Sustainable Soils |
|---|---|
| Host research organisation |
Northern Sustainable Soils |
| Trial funding source | GRDC |
| Trial funding source | NRNY |
| Related program | N/A |
| Acknowledgments |
N&Y NRM |
| Other trial partners | N&Y NRM |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sow date | Not specified |
|---|---|
| Harvest date | 10 November 2008 8th Nov, 2010 |
| Plot size | 1.5m x 10m |
| Plot replication | 3 |
| # |
Treatment 1
|
Reduction in wind speed (%) |
|---|---|---|
| 1 | █ Stubble row orientation N/S, height 0mm | 31.6 |
| 2 | █ Stubble row orientation N/S, height 150mm | 64.6 |
| 3 | █ Stubble row orientation N/S, height 300mm | 73.8 |
| 4 | █ Stubble row orientation N/S, height 450mm | 73.6 |
| 5 | █ Stubble row orientation E/W, height 0mm | 37.7 |
| 6 | █ Stubble row orientation E/W, height 150mm | 69.8 |
| 7 | █ Stubble row orientation E/W, height 300mm | 83.9 |
| 8 | █ Stubble row orientation E/W, height 450mm | 81.9 |
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.
