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soil sampling

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Catalogue: GRDC Updates (West)
Mention of a trade name or company in this publication does not imply endorsement of any product or company by the Department of Agriculture and Food, Western Australia... Overall, the DAFWA indices suggest that a more optimistic approach to decision-making is recommended in 2006 and confidence in this assessment would be enhanced if a La Ni a develops... The needs analysis has enabled an assessment of the distribution of farmers along the pathway from initial awareness through to final adoption of CRM information and tools being offered by various organisations...
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Catalogue: GRDC Final Reports
A disease control model for crown rot in Victoria and South Australia (SA) which provides crop management recommendations to reduce the build-up of Fusarium inoculum and avoid sowing into high disease risk situations... Crown rot is highly spatially variable, so intensive and extensive sampling programs were undertaken to assess the the reliability of results produced using current sampling protocols... Intensive stubble and soil sampling was used to assess the scale of spatial variability of crown rot and whether taking soil cores in a row crop was causing "spikes" in results...
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Catalogue: Ground Cover
Northern New South Wales grower and agronomist Drew Penberthy is road-testing new research findings on a DNA-based soil test to help better predict crown rot risk in northern farming systems... "New soil sampling techniques for the PreDicta B test could provide savings in terms of the preparation and analysis of stubble testing for crown rot," Drew says... Drew, who also runs a business that provides stubble testing for crown rot and soil testing for root lesion nematodes, says most growers in the northern grains region undertake two separate tests for these cereal pathogens...
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Catalogue: GRDC Research Summaries
For millenia our farmers have been harnessing the activities of soil organisms to provide society with food and fibre... Microrgansisms cannot be seen but without them our soils would be unable to support plant growth... Through the national program, an innovative website, www.soilquality.org.au, has been launched to enable growers to compare the condition of their soils with that of their regional farming..
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Catalogue: GRDC Publications
It is important to remember that there are many ways in which PA can be adopted and used to make or save money, improve timeliness or environmental management and to carry out onfarm trials... If a grower purchases a GPS unit using one system and then changes to one using the other system, locations will not be translate accurately... Growers are not confident in using the currently available indices in making cropping decisions...
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Catalogue: GRDC Research Summaries
Finding the pieces that maximise water use efficiency.. The variation within the strips can be used to tease out soils that are more or less responsive to ameliorative treatments... There are also opportunities to develop other products from the soils and geophysics data sets that will help farmers increase their water use efficiency through improved recognition and remediation of constraints...
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Catalogue: GRDC Media
The results send a clear signal to growers that baseline measurement and management of RLN populations through soil testing, varietal selection and crop rotation is imperative if yield losses are to be avoided... "If RLN are not detected, protect those paddocks from contamination by controlling movement of soil and water on the farm," she said... In paddocks where RLN populations are detected, Dr Owen said rotation and variety selection were the primary management options and that growers should aim to reduce populations to less than 2 nematodes/g soil (2000/kg soil)...
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Catalogue: GRDC Research Summaries
Finding the pieces that maximise water use efficiency.. The variation within the strips can be used to tease out soils that are more or less responsive to ameliorative treatments... There are also opportunities to develop other products from the soils and geophysics data sets that will help farmers increase their water use efficiency through improved recognition and remediation of constraints...
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Catalogue: GRDC Research Summaries
Soils that are able to withstand or reduce the extent of crop damage from a soil-borne disease incursion are referred to as disease suppressive soils... While the soils have been identified in all grain production regions little is known about the soil bioogy that confers disease suppressive qualities on a soil... The development of new tools to monitor disease suppressive soils will ultimately benefit farmers by allowing management practices to be linked to transferring or improving disease suppressiveness in soils...
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Catalogue: GRDC Research Summaries
Soils that are able to withstand or reduce the extent of crop damage from a soil-borne disease incursion are referred to as disease suppressive soils... While the soils have been identified in all grain production regions little is known about the soil bioogy that confers disease suppressive qualities on a soil... The development of new tools to monitor disease suppressive soils will ultimately benefit farmers by allowing management practices to be linked to transferring or improving disease suppressiveness in soils...
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