| Researcher(s) |
Jessica Crettenden (SARDI) |
|---|---|
| Year(s) | 2016 |
| Contributor | SARDI Minnipa Agricultural Centre |
| Trial location(s) |
Minnipa Agricultural Centre, SA
|
| Related trials |
|
A long-term study was established at the Minnipa Agricultural Centre from 2008 to 2016 (EPFS Summaries 2008 to 2015) to assess the systems impact of grazing on crop and pasture production, and soil health.
| Lead research organisation |
Southern Farming Systems |
|---|---|
| Host research organisation |
SARDI Minnipa Agricultural Centre |
| Trial funding source | GRDC SFS00028 |
| Related program |
Grain & Graze 3 |
| Acknowledgments |
I gratefully acknowledge the help of Jake Hull, Wade Shepperd and John Kelsh for site management and Ian Richter, Sue Budarick and Brett Hay for data collection. I would also like to thank Barry Mudge with his assistance in the basic economic analysis of the trial. The Eyre Peninsula Grain and Graze 3 project is funded by GRDC (SFS00028). |
| Other trial partners | Participating organisations: EP, BCG, MSF, Ag Excellence Alliance. |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Demonstration |
| Trial design | Unreplicated |
| Sow date | Not specified | |||
|---|---|---|---|---|
| Harvest date | Not specified | |||
| Plot size | 100m x 350m | |||
| Plot replication | 1 | |||
| Fertiliser |
|
| # |
Treatment 1
|
Gross margin low input (grazed) ($/ha) | Gross margin low input (ungrazed) ($/ha) | Gross margin high input (grazed) ($/ha) | Gross margin high input (ungrazed) ($/ha) |
|---|---|---|---|---|---|
| 1 | █ 2008 wheat | -49 | -49 | -42 | -42 |
| 2 | █ 2009 wheat | 803 | 829 | 905 | 879 |
| 3 | █ 2010 medic | 96 | -23 | 284 | -39 |
| 4 | █ 2011 wheat | 362 | 284 | 465 | 366 |
| 5 | █ 2012 medic | 26 | -27 | 89 | -27 |
| 6 | █ 2013 wheat | 356 | 332 | 464 | 390 |
| 7 | █ 2014 wheat | 598 | 525 | 749 | 677 |
| 8 | █ 2015 medic | 86 | -15 | 151 | -60 |
| 9 | █ 2016 wheat | 372 | 339 | 490 | 490 |
| Rainfall avg ann (mm) | 325mm |
|---|---|
| Rainfall avg gsr (mm) | 241mm |
| Rainfall trial total (mm) | 391mm |
| Rainfall trial gsr (mm) | 268mm |
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.
