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Catalogue: GRDC 2014 Research Summaries
Seasonal climate forecasts hold the promise of better farm management in the face of Australia "s variable climate... , the project will try and quantify the Spayoff time for the use of a seasonal forecast: how many years should a farmer use a forecast in order to have a high probability of a better outcome than if no forecast were used The value of POAMA forecasts will be assessed against the baseline of not using a forecast, and against using a simple SOI-based forecast where applicable... To aid harvest, chemical defoliants are used to remove leaves, and this process works better at warmer temperatures...
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Catalogue: GRDC YouTube channel
" GCTV11: Seasonal Climate Outlooks 04 September 2013 New seasonal forecast system delivering more reliable 3 monthly outlooks and an improved climate outlook service for Australia... 4.98: GCTV Ep#11 Seasonal Climate Outlooks 10.28: Narrator: Better forecasts are something every farmer 13.68: wants and it is why the Managing Climate Variability program allocates half its R&D budget to the 19.869: development of improved forecasting systems... We have had about three versions of POAMA 59.879: since that time and each version has increased in skill and accuracy and reliability until 65.46: now its reached the point where its ready to go and it has gone out as our official 69.86: bureau seasonal forecast model...
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Catalogue: GRDC Publications
Soil microrganisms also impact on the physical properties of soils including their capacity to hold water... An on-going output will be the coordination of review workshops and reporting processes to ensure that adequate resourcing, integration and consistency measures are being applied across all projects and new opportunities are identified... The major foci of this project are to screen and identify elite diseasesuppressive microbes for cereals and nodulation enhancing beneficial microbes for legumes...
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Catalogue: GRDC Media
Water logged soils can result in significant N loss through denitrification... Professor Grace says the first step in defining a nitrogen program is for growers to observe how their soils respond to rainfall to better understand how they are likely to lose nitrogen (see breakout box on types of N loss)... Previous work has shown that for every 1 kg of N lost as N 2 O, as much as 10-50 kg of N may be lost to N 2 ...
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Catalogue: GRDC Media
Water logged soils can result in significant N loss through denitrification... Professor Grace says the first step in defining a nitrogen program is for growers to observe how their soils respond to rainfall to better understand how they are likely to lose nitrogen (see breakout box on types of N loss)... Previous work has shown that for every 1 kg of N lost as N 2 O, as much as 10-50 kg of N may be lost to N 2 ...
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Catalogue: Ground Cover
Growers: Susan, Ben and Ben Carn Region: Quorn, Flinders Ranges, South Australia Commodities: wheat, barley, Merino sheep, feedlot for lambs Farming area: 11,000 ha (2000 arable) Annual average rainfall: 220 to 300 mm.. In the article, Susan considers the lessons of the past three years for their cropping and sheep operation... Using a combination of seasonal forecasts, being more conservative with cropping, and shifting grazing and lambing times, Susan feels confident about the future...
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Catalogue: GRDC Research Summaries
The Bureau of Meteorology (BoM) has been providing weather forecasts since 1908 and seasonal outlooks since 1989... There is a notable gap in prediction capability beyond one week and shorter than a season... Model brings multi-week forecasts closer..
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Catalogue: Ground Cover
Seasonal forecasts can help increase profits, reduce risks.. The researchers featured in the story Cloud over forecasts (Groundcover, June 2004) appear to have attempted to assign an idea of value to a lucky dip sample of a few years of forecasts... The projects are about making greater use of the well-recognised skill and value in seasonal forecasts that is already available, and further improving seasonal forecasts to make sure they hold even more value for grain growers...
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Catalogue: Ground Cover
Mr Schaefer sees the future including more targeted forecasting for growers through micrometeorology, the use of private providers (already common in the US and the UK), improved radars and a better understanding of climate variability... At the moment any micrometeorology data collected is not normally available to growers, but as technology improves Mr Schaefer hopes this will change, improving understanding of crop performance and crop protection... Mr Ring uses astrometeorology - the theoretical effect of astronomical bodies and forces on Earth's atmosphere - a forecasting system that dates back to 3000 BCE. "I went in quite sceptical but he got me thinking," Mr Schaefer says...
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Catalogue: Ground Cover
Improvements in weather forecasting mean three-day forecasts are now 97 per cent accurate.. Mr Schaefer sees the future including more targeted forecasting for growers through micrometeorology, the use of private providers (already common in the US and the UK), improved radars and a better understanding of climate variability... Mr Ring uses astrometeorology - the theoretical effect of astronomical bodies and forces on Earth's atmosphere - a forecasting system that dates back to 3000 BCE. "I went in quite sceptical but he got me thinking," Mr Schaefer says...
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