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Catalogue: GRDC Research Summaries
The project acknowledges the importance and impact of advisers and uses advisers to achieve attitude change utilising the engagement and skill base of farmer groups... The project will result in a more resilient mixed farming sector with improved whole farm profitability, whole farm sustainability and whole farm ground cover... The project will be supported by and delivered across five NRM regions in South Australia......
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Catalogue: Ground Cover
CSIRO's Dr Richard Richards and Professor Graham Farquhar, from the Australian National University (ANU), have been awarded the UK-based Rank Prize for their development of methods that identify crops with superior water use efficiency (WUE)... The award relates to their discovery in the 1980s when they were able to correlate WUE in wheat crops to the ratio of carbon isotopes in the leaf... Today Dr Richards is a leading researcher at CSIRO Plant Industries, working on the continuing development of dual-purpose wheats for high-rainfall zones...
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Catalogue: GRDC Research Summaries
An agronomic research program that can enhance the release of new barley varieties for Western Australia... In the study we aim to quantify the benefit of the current Alt gene and undertake a 'proof of concept' study to see if the inclusion of this Alt gene in future releases might influence the way in which we grow barley... Preliminary results indicate grazing control..
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Catalogue: GRDC Media
Grains research enters a new era.. The Grains Research and Development Corporation (GRDC) has begun delivering on its pledge to secure the future viability of grain production in Queensland and New South Wales... With research suggesting that the majority of current farming systems are dramatically underachieving on water use efficiency, the GRDC is co-funding the innovative new project aimed at better understanding how northern farming systems can be improved to boost productivity and profitability...
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Catalogue: GRDC Media
Grains research enters a new era.. The Grains Research and Development Corporation (GRDC) has begun delivering on its pledge to secure the future viability of grain production in Queensland and New South Wales... With research suggesting that the majority of current farming systems are dramatically underachieving on water use efficiency, the GRDC is co-funding the innovative new project aimed at better understanding how northern farming systems can be improved to boost productivity and profitability...
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Catalogue: GRDC Research Summaries
` The aim is to do this across all rainfall zones (high, medium and low), using both major cereal grains grown in WA (wheat and barley).The accepted definition of canopy management is 'managing the green surface area of the crop canopy in order to optimise profitability'... To date in WA, there has been some canopy management work undertaken in the high rainfall zones, but there has been no research done in the medium to low rainfall zones... ConsultAg wish to undertake a 3 year research project to validate, and if worthy, integrate the principles of canopy management into the Western Australian cropping system...
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Catalogue: GRDC Updates
Managing for least cost rather than most profit.. In summary - For the effort of spraying the paddock twice over summer and an investment of $30/ha, a gain could be achieved in the following wheat crop of $105/ha.. P fertiliser should not be broadcast prior to seeding in 2008 because this approach is only justified in situations where soil P reserves are high and dressings are designed to maintain those reserves - in 2008 simply do not broadcast those paddocks and use the money saved on other inputs which will return better profits...
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Catalogue: GRDC Updates
Optimising water use efficiency in western NSW.. The relative merit of different rotation crops can also be assessed by looking at the amount of water they extract from the soil profile... Research has shown that canola is better able to extract phosphorus (P) from soil than wheat (Bolland and Brennan 2008) meaning that maximum yield of canola can be achieved with lower P application than is required for wheat...
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Catalogue: GRDC Updates
Making best use of soil moisture.. John Passioura, CSIRO Plant Industry, Canberra ACT Take-home messages Prospects for getting crops that yield well during a drought in the sense of greatly exceeding the benchmark of 20 kg/ha/mm are very remote When diagnosing causes of low WUE it helps to dissect WUE into two components: the above-ground biomass/ha per mm of seasonal water supply, and the harvest index - the proportion of the biomass that is in the grain... The benchmark has three components embedded in it, namely: ?X the evaporative loss of available water from the soil ?X the ratio between the water used by the crop (transpiration) and the crop's above-ground biomass (called the transpiration efficiency) and ?X the proportion of the biomass that is converted into grain (the Harvest Index)...
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Catalogue: GRDC Media
Lateral move irrigator boosts WUE and increases yields.. "A great advantage I see is with cereals and canola, you can top-dress and then hit it with a 'rain' just to take that nitrogen into the soil and into the root zone," Terry said... "Often when top-dressing cereals and canola, you're looking for a rain event to take that in. During the irrigation season, we can water-run our nitrogen requirements through the syphons and it will distribute into the root zone...
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