Optimising phosphorus fertiliser rates on alkaline soils

2001

Research organisaton

Trial details

Researcher(s) N/A
Year(s) 2001
Contributor Birchip Cropping Group
Trial location(s) Charlton, VIC
Optimising phosphorus fertiliser rates on alkaline soils locations
Aims

To investigate phosphorus use efficiency in six crop types - barley, wheat, canola, lentils, faba beans and field peas. This is the third year of this BCG research.

Key messages
  • Phosphorus response trials were undertaken on barley, wheat, canola, lentils, faba beans and field peas at four sites across the Wimmera and Mallee over the past three seasons.
  • There was no consistent response to the rate of phosphorus applied in wheat, barley, canola, lentils and field peas on sites that had a good fertiliser history (a positive P balance) and good P fertility (Colwell P of 15ppm or more). Faba beans were the exception responding to higher rates of phosphorus (up to 18 kg P/ha) – this was a consistent result over the 2000 and 2001 seasons.
  • At the Donald sites, phosphorus rate significantly increased yield. This result was not unexpected as the trials were typically located on soils that were low in fertility (Colwell P <12ppm) and acidic (pH BBwaterB = 6.3).
  • Reducing phosphorus inputs to between 6 and 12 kg P/ha will not compromise short-term soil fertility and crop production on sites with good fertiliser history and soil P fertility but further research needs to be conducted investigating the long-term implications of this strategy.
Lead research organisation N/A
Host research organisation N/A
Related program N/A
Acknowledgments N/A
Other trial partners Not specified

Method

Crop types Cereal (Grain): Wheat Oilseed: Canola
Trial type
Trial design

Charlton 2001 Wheat

Sow date Not specified
Harvest date Not specified
Plot size Not specified
Plot replication Not specified

Charlton 2001 Canola

Sow date Not specified
Harvest date Not specified
Plot size Not specified
Plot replication Not specified
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
Charlton, VIC Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Charlton, VIC Sodosol
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 Charlton VIC
2001 535.4mm
2000 492.8mm
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

Derived climate information

No observed climate data available for this trial.
Derived climate data is determined from trial site location and national weather sources.

Charlton VIC

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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 report and links


No trial reports or attachments found


Trial last modified: 06-08-2019 07:54am AEST