Trial details
Researcher(s)
Sandy Alexander (Summit Fertilizers)
Year(s)
2008
Contributor
Liebe Group
Trial location(s)
Buntine, WA
Aims
To compare at seeding, delayed and split application of nitrogen at varying phosphorus rates.
Key messages
The trial responded by 800kg/ha to 30kg N/ha and 1200kg/ha to 60kg N/ha.
However, there were no significant responses to splitting or delaying the nitrogen applications.
Lead research organisation
N/A
Host research organisation
N/A
Related program
N/A
Acknowledgments
Thanks to the Liebe Group and the McAlpine family for co-operation in the running of the trial, sprays and the use of the land.
Thanks also to Kalyx Agriculture for sowing, harvesting and in-crop monitoring.
Other trial partners
Not specified
Method
Crop type
Cereal (Grain): Wheat
Treatment type(s)
Fertiliser : Rate
Fertiliser : Timing
Fertiliser : Type
Trial type
Experimental
Trial design
Replicated
Buntine 2008
Sow date
2 June 2008
Harvest date
Not specified
Plot size
20m x 2m
Plot replication
3
Fertiliser
As per treatments
Herbicide
2/6/08: Glyphosate, Spray.Seed, Boxer Gold – Farmer applied. 7/7/08: Jaguar 700ml/ha, Ally 3 g/ha, Lontrel 120 g/ha, 10/8/08: Monza 25 g/ha
Observed trial site soil information
Trial site soil testing
Site
Depth
Type
pH
EC P K N A OC CAT
Buntine, WA
0 - 10cm
Sandy loam
Buntine, WA
10 - 30cm
Sandy loam
Soil conditions
Trial site
Soil texture
Buntine, WA
Sandy loam
Derived trial site soil information
Trial site
Soil order
Buntine, WA
Kandosol
Average amount of water stored in the soil profile during the year, estimated by the
OzWALD model-data fusion system.
Year
Buntine WA
2008
2007
2006
2005
2004
2003
2002
2001
2000
Climate
Buntine WA 2008
Observed climate information
Rainfall trial gsr (mm)
234mm
Derived climate information
Buntine WA
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.
Trial report and links
2008 trial report
