Measuring the effect of residual P

2010

Research organisaton
Funding source

Trial details

Researcher(s) Roy Latta (SARDI)
Cathy Paterson (SARDI)
Ian Richter (SARDI)
Wade Shepperd (SARDI)
Year(s) 2010
Contributor SARDI Minnipa Agricultural Centre
Trial location(s) Minnipa, SA
Related trials
Measuring the effect of residual P locations
Aims

To assess the P response from current and residual fertiliser applications.

Key messages

A site with high phosphorus (P) reserves needed no applied P fertiliser in 2010 to produce a 2.5 t/ha wheat yield.

Lead research organisation SARDI Minnipa Agricultural Centre
Host research organisation N/A
Trial funding source GRDC UA00107
Related program Eyre Peninsula Farming Systems
Acknowledgments

We gratefully acknowledge the help of Sue Budarick, Alex Watts and Jack Pecina for their technical assistance during the year.


Other trial partners Not specified
Download the trial report to view additional trial information

Method

Crop type Wheat
Treatment type(s)
  • Fertiliser: Rate
Trial type Experimental
Trial design Randomised,Replicated

Minnipa 2010

Sow date Not specified
Harvest date Not specified
Plot size 1.4 m x 12 m
Plot replication 3
Paddock history 2009: Wheat 2008: Wheat 2007: Wheat
Fertiliser

0, 5, 10, 20 kg P/ha

Download the trial report to view additional method/treatment information
Trial source data and summary not available
Check the trial report PDF for trial results.
Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Minnipa, SA Red sandy loam
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Minnipa, SA Calcarosol
Soil Moisture Source: BOM/ANU
Average amount of water stored in the soil profile during the year, estimated by the OzWALD model-data fusion system.
Year Minnipa SA
2010 385.3mm
2009 391.3mm
2008 330.4mm
2007 331.2mm
2006 334.5mm
2005 288.0mm
2004 296.1mm
2003 293.2mm
2002 283.3mm
2001 343.9mm
2000 389.0mm
National soil grid Source: CSIRO/TERN
NOTE: National Soil Grid data is aggregated information for background information on the wider area
Actual soil values can vary significantly in a small area and the trial soil tests are the most relevant data where available

Soil properties

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Climate

Minnipa SA 2010


Observed climate information

Rainfall avg ann (mm) 325mm
Rainfall avg gsr (mm) 242mm
Rainfall trial total (mm) 410mm
Rainfall trial gsr (mm) 346mm

Derived climate information

Minnipa SA

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Some data on this site is sourced from the Bureau of Meteorology

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 last modified: 30-01-2019 16:20pm AEST