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Catalogue: Broadacre Field Crops DAFF QLD
A large contributor to climate variability in Australia is ENSO. ENSO or the El Ni o/Southern Oscillation is the term used to collectively describe the status of ocean and atmosphere circulation systems in the Pacific... Positive phases of the SOI (average monthly values of the SOI above +7.0 and often associated with a La Ni a SST pattern) reflect barometric air pressures over northern Australia being lower relative to those in the central Pacific... As autumn/early winter is the key time of the year when climate patterns such as La Ni a and El Ni o can change or develop quickly, we continue to recommend keeping an eye on the SOI and sea surface temperature (SST) trends...
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Catalogue: GRDC YouTube channel
" GCTV Extension Files: Wheat Sowing Strategies 07 March 2014 CSIRO research agronomist James Hunt comments on taking wheat sowing strategies to help maximise whole farm wheat yield... WATCH MORE: GroundCover TV story on Early Sowing for Optimal Flowering: http://www.grdc.com.au/GCTV13-OptimalFlowering READ MORE: article: http://www.grdc.com.au/GC109-EarlySowingStrategies 7.85: GCTV Extension Files: Wheat Sowing Strategies 7.88: Presenter: James Hunt CSIRO Plant Industry Modern farming systems put a lot of pressure 10.26: on us to take advantage of any sowing opportunity as they arise in order to get as much crop 16.369: as possible flowering during the optimal period... And there is essentially three different ways 22.52: of being able to hit that flowering window, which start at the end of February and move 28.81: through until May. 29.789: So the first opportunity you have got is with a winter wheat and the window for them opens 34.82: at the end of Feb, you can sown them through March into early April, even to the middle 40.39: of April...
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Catalogue: Ground Cover
The chance of a La Ni a developing in 2007 is thought to be higher than the long-term average, which is about one in five, or 20 per cent... La Ni a events tend to follow El Ni os; the 2006-07 El Ni o weakened somewhat earlier than normal giving time for a La Ni a to begin developing during the critical March to June period; and a large pool of cold sub-surface water remains in the central to eastern tropical Pacific Ocean and is starting to affect surface temperatures in the region... BOM climate meteorologist Grant Beard says that although central to eastern Pacific sea-surface temperatures have remained close to average during March, following the rapid cooling that took place during January and February, the remaining large pool of cold sub-surface water could indicate a La Ni a event...
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Catalogue: Ground Cover
Dr James Hunt, former CSIRO Agriculture senior research scientist, says early sowing works best when there is a full profile of moisture... Dr Hunt, who recently became a senior lecturer at La Trobe University, says there are new varieties under development that may assist in widening the sowing window for growers in areas with a shorter growing season... Former CSIRO Agriculture senior research scientist Dr James Hunt, who now works as a senior lecturer at La Trobe University, says sowing earlier than 25 April is a tactic that complements dry sowing...
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Catalogue: Ground Cover
Dr James Hunt, former CSIRO Agriculture senior research scientist, says early sowing works best when there is a full profile of moisture... Dr Hunt, who recently became a senior lecturer at La Trobe University, says there are new varieties under development that may assist in widening the sowing window for growers in areas with a shorter growing season... Former CSIRO Agriculture senior research scientist Dr James Hunt, who now works as a senior lecturer at La Trobe University, says sowing earlier than 25 April is a tactic that complements dry sowing...
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