Researcher(s) |
John Small (CWFS) |
---|---|
Year(s) | 2014 |
Contributor | Central West Farming Systems |
Trial location(s) |
Gunning Gap, NSW
Lake Cargelligo, NSW Nyngan, NSW Tullamore, NSW Ungarie, NSW |
Stubble treatments involving late burning or cultivation resulted in significantly different yields in wheat and barley in 4 to 6 trials conducted at Nyngan, Ungaire, Tullamore, Gunning Gap, Alectown and Lake Cargelligo during 2014. The yield effects were not consistent and these trials could not be used to predict response pre sowing. The effects of stubble treatments observed during 2014 were similar to the effects observed during similar trials in 2013. Variety rankings were not significantly affected by stubble treatments. The best option in terms of yield was to simply grow the variety with the highest potential for the sowing window.
Lead research organisation |
Grains Research and Development Corporation |
---|---|
Host research organisation | N/A |
Trial funding source | GRDC CWF00018 |
Related program |
Maintaining profitable farming systems with retained stubble |
Acknowledgments |
CWFS would like to acknowledge the support provided by the co- operating farmers,without their in-kind support the trials would not have been possible. The help help from Matt McRae, Walkers Ag N Vet, Forbes at the Gunning Gap site, Greg Brooke, NSW DPI at the Nyngan site and Scott Boyd, GOA, Dubbo at the Tullamore site is also acknowledged. The authors also thank Neil Fettell for his support in compiling this report. |
Other trial partners | Not specified |
Crop types | Cereal (Grain): Barley Cereal (Grain): Wheat |
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Treatment type(s) |
|
Trial type | Experimental |
Trial design | Replicated |
Sow rate or Target density | Not specified |
---|---|
Sow date | Not specified |
Harvest date | Not specified |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser | Not specified |
Soil amelioration | Not specified |
Other trial notes |
Cultivation treatment imposed with offset discs. Uneven stubble conditions across the paddock existed on 9 April. Generally it ranged in height from 200 to 300mm high with an average load of 3.5 t/ha, ranging from 1.6 to 6.0 t/ha, ground cover varied from 0 to 100%. It is reasonable to suggest that this variation was due to the way water had drained and settled on the surface during the fallow. The amount of standing stubble averaged 14% of the total load but varied from 4 to 22%. Avail |
Sow rate or Target density | Not specified |
---|---|
Sow date | Not specified |
Harvest date | Not specified |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser | Not specified |
Soil amelioration | Not specified |
Other trial notes |
Cultivation treatment imposed with offset discs. Uneven stubble conditions across the paddock existed on 9 April. Generally it ranged in height from 200 to 300mm high with an average load of 3.5 t/ha, ranging from 1.6 to 6.0 t/ha, ground cover varied from 0 to 100%. It is reasonable to suggest that this variation was due to the way water had drained and settled on the surface during the fallow. The amount of standing stubble averaged 14% of the total load but varied from 4 to 22%. Avail |
Sow rate or Target density | Not specified |
---|---|
Sow date | Not specified |
Harvest date | Not specified |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser | Not specified |
Soil amelioration | Not specified |
Other trial notes |
Cultivation treatment imposed with offset discs. Uneven stubble conditions across the paddock existed on 9 April. Generally it ranged in height from 200 to 300mm high with an average load of 3.5 t/ha, ranging from 1.6 to 6.0 t/ha, ground cover varied from 0 to 100%. It is reasonable to suggest that this variation was due to the way water had drained and settled on the surface during the fallow. The amount of standing stubble averaged 14% of the total load but varied from 4 to 22%. Avail |
Sow rate or Target density | Not specified |
---|---|
Sow date | Not specified |
Harvest date | Not specified |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser | Not specified |
Soil amelioration | Not specified |
Other trial notes |
Cultivation treatment imposed with offset discs. Uneven stubble conditions across the paddock existed on 9 April. Generally it ranged in height from 200 to 300mm high with an average load of 3.5 t/ha, ranging from 1.6 to 6.0 t/ha, ground cover varied from 0 to 100%. It is reasonable to suggest that this variation was due to the way water had drained and settled on the surface during the fallow. The amount of standing stubble averaged 14% of the total load but varied from 4 to 22%. Avail |
Sow rate or Target density | 35kg/ha |
---|---|
Sow date | 7 May 2014 |
Harvest date | 3 November 2014 |
Plot size | Not specified |
Plot replication | 3 |
Fertiliser |
7/5/2014: 63kg/ha MAP fertiliser into moist seedbed with good subsoil moisture. |
Soil amelioration |
9/4/2014: Stubble treatments imposed. |
Other trial notes |
Cultivation treatment imposed with offset discs. Uneven stubble conditions across the paddock existed on 9 April. Generally it ranged in height from 200 to 300mm high with an average load of 3.5 t/ha, ranging from 1.6 to 6.0 t/ha, ground cover varied from 0 to 100%. It is reasonable to suggest that this variation was due to the way water had drained and settled on the surface during the fallow. The amount of standing stubble averaged 14% of the total load but varied from 4 to 22%. Avail |
Sow rate or Target density | Not specified |
---|---|
Sow date | Not specified |
Harvest date | Not specified |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser | Not specified |
Soil amelioration | Not specified |
Other trial notes |
Cultivation treatment imposed with offset discs. Uneven stubble conditions across the paddock existed on 9 April. Generally it ranged in height from 200 to 300mm high with an average load of 3.5 t/ha, ranging from 1.6 to 6.0 t/ha, ground cover varied from 0 to 100%. It is reasonable to suggest that this variation was due to the way water had drained and settled on the surface during the fallow. The amount of standing stubble averaged 14% of the total load but varied from 4 to 22%. Avail |
Sow rate or Target density | Not specified |
---|---|
Sow date | Not specified |
Harvest date | Not specified |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser | Not specified |
Soil amelioration | Not specified |
Other trial notes |
Cultivation treatment imposed with offset discs. Uneven stubble conditions across the paddock existed on 9 April. Generally it ranged in height from 200 to 300mm high with an average load of 3.5 t/ha, ranging from 1.6 to 6.0 t/ha, ground cover varied from 0 to 100%. It is reasonable to suggest that this variation was due to the way water had drained and settled on the surface during the fallow. The amount of standing stubble averaged 14% of the total load but varied from 4 to 22%. Avail |
Sow rate or Target density | Not specified |
---|---|
Sow date | Not specified |
Harvest date | Not specified |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser | Not specified |
Soil amelioration | Not specified |
Other trial notes |
Cultivation treatment imposed with offset discs. Uneven stubble conditions across the paddock existed on 9 April. Generally it ranged in height from 200 to 300mm high with an average load of 3.5 t/ha, ranging from 1.6 to 6.0 t/ha, ground cover varied from 0 to 100%. It is reasonable to suggest that this variation was due to the way water had drained and settled on the surface during the fallow. The amount of standing stubble averaged 14% of the total load but varied from 4 to 22%. Avail |
Sow rate or Target density | Not specified |
---|---|
Sow date | Not specified |
Harvest date | Not specified |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser | Not specified |
Soil amelioration | Not specified |
Other trial notes |
Cultivation treatment imposed with offset discs. Uneven stubble conditions across the paddock existed on 9 April. Generally it ranged in height from 200 to 300mm high with an average load of 3.5 t/ha, ranging from 1.6 to 6.0 t/ha, ground cover varied from 0 to 100%. It is reasonable to suggest that this variation was due to the way water had drained and settled on the surface during the fallow. The amount of standing stubble averaged 14% of the total load but varied from 4 to 22%. Avail |
Sow rate or Target density | Not specified |
---|---|
Sow date | Not specified |
Harvest date | Not specified |
Plot size | Not specified |
Plot replication | Not specified |
Fertiliser | Not specified |
Soil amelioration | Not specified |
Other trial notes |
Cultivation treatment imposed with offset discs. Uneven stubble conditions across the paddock existed on 9 April. Generally it ranged in height from 200 to 300mm high with an average load of 3.5 t/ha, ranging from 1.6 to 6.0 t/ha, ground cover varied from 0 to 100%. It is reasonable to suggest that this variation was due to the way water had drained and settled on the surface during the fallow. The amount of standing stubble averaged 14% of the total load but varied from 4 to 22%. Avail |
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.