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fertiliser decision

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Catalogue: GRDC Updates
The database underlying the BFDC Interrogator contains the results of more than 5000 soil test calibration experiments conducted in Australia since the 1950s... Soil test-crop response (N, P, K and S fertiliser) trials have been undertaken by many different organisations in Australia since the late 1950's... There have been a number of scientific publications (Crop & Pasture Science Special Issue, Volume 64) derived from the trial data contained within the BFDC dataset...
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Catalogue: GRDC Research Summaries
Fertiliser decisions by grain growers start with and rely on knowing the status of paddocks... Develop National and regional soil test - nutrient response calibrations for assessing the nitrogen (N), phosphorus (P), potassium (K), and sulfur (S) status of soils used for cereal, pulse and oilseed production... BFDC is seeking to improve the confidence of grain growers and advisors using soil testing as a tool for making more accurate fertiliser decisions on farm...
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Catalogue: GRDC Media
Digging into history to guide future fertiliser use.. History is helping to shape the future when it comes to the use of fertiliser in Australian cereal, pulse and oilseed crops... Results from soil test-crop response trials conducted across Australia over the past half a century are being collated for a new national data bank designed to assist with fertiliser application recommendations in years to come...
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Catalogue: GRDC Media
History is helping to shape the future when it comes to the use of fertiliser in Australian cereal, pulse and oilseed crops... Results from soil test-crop response trials conducted across Australia over the past half a century are being collated for a new national data bank designed to assist with fertiliser application recommendations in years to come... The trials include a range of crop types, field measurements and soil testing methods, and have been conducted by state and federal agencies, the fertiliser industry, universities, farming system groups and agricultural advisers. "..
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Catalogue: GRDC Research Summaries
BFDC is seeking to improve the confidence of grain growers and advisors using soil testing as a tool for making more accurate fertiliser decisions on farm... Making better fertiliser decisions for cropping systems in Australia has four outputs that will be delivered through the project... Australian Fertiliser Industry: Speirs SD, Watmuff IG, Reuter DJ, Peverill KI (2010) Making Better Fertiliser Decisions for Cropping Systems in Australia...
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Catalogue: GRDC Publications
Please note that the research described in this paper has been carried out in New Zealand and that the use of agrochemicals in this applied research does not constitute a recommendation... Yield trends in wheat in New Zealand reveal large increases in productivity over the last twenty years... The Sirius wheat model developed by Plant & Food Research illustrates that there may be potential to capture more yield by moving sowing dates even further forward in New Zealand, although the model has not been validated for sowing earlier than April...
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Catalogue: GRDC Final Reports
There is a very significant opportunity to improve nutrient management because a wealth of information, tools, techniques and technologies already exist... History and the project show it can only achieve so much and is not specific enough to bring about long-term changes in the habits of decision-makers... There is a need for a concerted and consistent approach to nutrient management by the grains industry, including better utilisation of the existing adviser network as the conduit for information and change...
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Catalogue: GRDC Final Reports
We applied the tools to two case study catchments in Western Australia (WA) and showed that by taking account of soil type and seasonal influences on crop yield potential, gains of $2-40/ha are possible... We used simulated estimates of wheat yield potential generated by the decision making tool, APSIM, from the past 30 seasons at locations in the Western Australian (WA) central wheat belt (Kellerberrin) and northern agricultural region (Mingenew), run over a wide range of soil types from each district... The author believes there would be merit in assessing the gains in better use of these technologies versus the issue covered in this project - better matching of nutrients to yield goals...
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Catalogue: GRDC Research Summaries
Despite the expense, fertiliser decisions made by grain growers do not always rely on soil test knowledge as part of a suite of knowledge sources contributing to a rate recommendation... This reflects a significant level of scepticism among some grain growers and advisors that soil testing does not explain crop response, that the recommendations provided using a soil test are flawed due to biased data, or both... The data were stored in a single central repository for access by approved users through an online query tool, the BFDC Interrogator...
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Catalogue: GRDC Research Summaries
Despite the expense, fertiliser decisions made by grain growers do not always rely on soil test knowledge as part of a suite of knowledge sources contributing to a rate recommendation... This reflects a significant level of scepticism among some grain growers and advisors that soil testing does not explain crop response, that the recommendations provided using a soil test are flawed due to biased data, or both... The data were stored in a single central repository for access by approved users through an online query tool, the BFDC Interrogator...
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