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Catalogue: GRDC Media
Early control thwarts fleabane.. Tony Cook, NSW Department of Primary Industries (NSW DPI) weeds technical specialist based at Tamworth says prevention is better than cure when it comes to controlling fleabane and he recommends pre-emergent or seedling management... Mr Cook says fleabane has spread largely because it thrives in the no-till farming system due to its surface-germinating seed which, under this system, lies undisturbed by tillage or soil coverage...
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Catalogue: GRDC Media
Early control thwarts fleabane.. Tony Cook, NSW Department of Primary Industries (NSW DPI) weeds technical specialist based at Tamworth says prevention is better than cure when it comes to controlling fleabane and he recommends pre-emergent or seedling management... Mr Cook says fleabane has spread largely because it thrives in the no-till farming system due to its surface-germinating seed which, under this system, lies undisturbed by tillage or soil coverage...
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Catalogue: GRDC Media
On-farm trials in Western Australia's South Coast region have highlighted the importance of growers testing deep tillage treatments on small areas before deciding whether to apply them to larger areas... Trials were undertaken at three sites using various types of rippers and configurations for depth and spacing, including machinery depths to 20cm, 30cm and 40cm and tyne spacings of 30cm and 60cm... "The results reinforce the importance of doing small plot trials before applying invasive treatments across paddocks, as well as knowing the characteristics of the subsoil and using an experienced machinery operator - to minimise the risks of negative impacts such as bringing too much clay or rock to the surface," she said...
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Catalogue: GRDC Media
On-farm trials in Western Australia's South Coast region have highlighted the importance of growers testing deep tillage treatments on small areas before deciding whether to apply them to larger areas... Trials were undertaken at three sites using various types of rippers and configurations for depth and spacing, including machinery depths to 20cm, 30cm and 40cm and tyne spacings of 30cm and 60cm... "The results reinforce the importance of doing small plot trials before applying invasive treatments across paddocks, as well as knowing the characteristics of the subsoil and using an experienced machinery operator - to minimise the risks of negative impacts such as bringing too much clay or rock to the surface," she said...
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Catalogue: GRDC Media
Midge management made easier.. Author : Sarah Jeffrey, Northern growers and agronomists will be able to better manage the economic cost of controlling midge in sorghum crops this season with the help of a new online threshold calculator, developed by the Department of Agriculture Fisheries and Forestry (DAFF) entomology team... The calculator helps determine the economics of applying an insecticide, taking into account the midge resistance (MR) rating of the variety, row spacing, number of midge in the field as determined by the grower or consultant, crop value, cost of control and residual life of the chosen insecticide...
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Catalogue: Ground Cover
The research, led by the University of Melbourne, is being undertaken in response to the recent emergence of resistance to synthetic pyrethroids in RLEM... "At the stage, it is unclear why resistance has developed for pyrethroids but not for organophosphates and other chemical classes," Dr Umina says... Dr Umina says RLEM resistance to pyrethroids has been confirmed on 28 properties in WA. He says the Nullarbor Plain acts a physical barrier to the easterly movement of adult mites, but eggs of resistant adults can be transported in soil, by livestock and via wind...
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Catalogue: GRDC Final Reports
A literature review was conducted by Dr VVSR Gupta, CSIRO that collated international research on rhizoctonia... Further research is conducted on rhizoctonia using newer tools to measure soil inoculum and suppressive microbial communities... A survey of agronomists conducted by SARDI as part of this project found that total losses are estimated at $30-$50 million in the Southern Region...
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Catalogue: Ground Cover
The research, led by the University of Melbourne, is being undertaken in response to the recent emergence of resistance to synthetic pyrethroids in RLEM... "At the stage, it is unclear why resistance has developed for pyrethroids but not for organophosphates and other chemical classes," Dr Umina says... Dr Umina says RLEM resistance to pyrethroids has been confirmed on 28 properties in WA. He says the Nullarbor Plain acts a physical barrier to the easterly movement of adult mites, but eggs of resistant adults can be transported in soil, by livestock and via wind...
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Catalogue: GRDC Media
Frost publication addresses hot research topic.. New frost research will look at the possibility of using remote sensing technology to detect frost damage in wheat and the likelihood of these damaged crops going on to yield sufficient grain... "The trials, supervised by Living Farm and assisted by the Department of Agriculture and Food (DAFWA), show that stubble appears to insulate the soil surface, which lowers the amount of heat absorbed into the soil compared with paddocks without stubble...
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