| Researcher(s) |
Bill Davoren (CSIRO) Rick Llewellyn (CSIRO) Therese McBeath (CSIRO) Gupta Vadakuttu (CSIRO) |
|---|---|
| Year(s) | 2014 |
| Contributor | Mallee Sustainable Farming Inc. |
| Trial location(s) |
Karoonda, SA
|
| Related trials |
To determine whether the potential benefits of sowing on last year’s crop row to harvest any extra water and nutrition can outweigh risks of increased disease pressure and lead to better crop performance on Mallee soil types
| Lead research organisation |
Commonwealth Scientific and Industrial Research Organisation |
|---|---|
| Host research organisation | N/A |
| Trial funding source | GRDC MSF00003 |
| Trial funding source | CSIRO |
| Related program |
Maintaining profitable farming systems with retained stubble |
| Acknowledgments |
Thanks to the Loller family for their generous support in hosting the trial, to Jeff Braun for monitoring and advising on trial agronomy. Funding for this work was from the Stubble Retention initiative (Project MSF00003) and the CSIRO Agriculture Flagship. |
| Other trial partners | Not specified |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sow rate or Target density | Corack Wheat @ 70 kg/ha |
|---|---|
| Sow date | Not specified |
| Harvest date | Not specified |
| Plot size | Not specified |
| Plot replication | Not specified |
| Fertiliser |
Seed was sown at 70 kg/ha with 50 kg/ha DAP and 24 kg/ha Urea applied below the seed. In addition, 33 kg/ha potassium sulfate was added pre-seeding and a trace element spray including zinc, copper and manganese was applied at early tillering |
| Other trial notes |
All crop row spacings were 28 cm. |
| # |
Treatment 1
|
Protein (%) | Grain yield (t/ha) |
|---|---|---|---|
| 1 | █ Dune - on-row April sow | 9.8 | 1.34 |
| 2 | █ Dune - inter-row April sow | 9.8 | 1.43 |
| 3 | █ Swale - on-row April sow | 11 | 2.23 |
| 4 | █ Swale - inter-row April sow | 11 | 2.07 |
| 5 | █ Dune - on-row May sow | 9.8 | 1.34 |
| 6 | █ Dune - inter-row May sow | 9.5 | 1.39 |
| 7 | █ Swale - on-row May sow | 11.3 | 2.01 |
| 8 | █ Swale - inter-row May sow | 10.9 | 2.05 |
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.
