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Biology

Catalogue: GRDC Publications
Published: May 2012 ISBN: 978-1-921779-19-0 In submitting this report, the researchers have agreed to the GRDC publishing this material in its edited form... Incidence is 40 per_cent frequency in 25 per_cent of the area, so that the average incidence of the disease affecting the crop is 10 per_cent... Eighteen, including all the fungal diseases, of the 21 diseases surveyed were reported as present on lentils in the 8.3 Diseases of lentils Southern Region and in Australia...
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Catalogue: GRDC Publications
In summary, 20 trials have now recently been undertaken across a number of seasons and locations in NSW. None of them have demonstrated S responses in yield or oil %. This does not exclude deficiency and yield penalties from occurring but does highlight that the frequency and the likelihood is not high... In summary, using Yield Prophet as a way of increasing soil water knowledge is more difficult to trial than probes... In summary, the growth in the use of probes to understand soil water is easily explained using the framework above...
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Catalogue: GRDC Publications
In summary, 20 trials have now recently been undertaken across a number of seasons and locations in NSW. None of them have demonstrated S responses in yield or oil %. This does not exclude deficiency and yield penalties from occurring but does highlight that the frequency and the likelihood is not high... In summary, using Yield Prophet as a way of increasing soil water knowledge is more difficult to trial than probes... In summary, the growth in the use of probes to understand soil water is easily explained using the framework above...
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Catalogue: GRDC Publications
Barley Yellow Dwarf Virus can be a threat in all environments, and it is recommended that seed be treated with imidicloprid, or crops closely monitored for aphid infestation and sprayed ... In the circumstances using fertilisers that have a higher sulphur content, like MES 10 or Airseeder Superfect, can be beneficial... A fast track project was initiated to demonstrate and evaluate a range of management strategies that Twelve farms were surveyed across the western districts of southern Victoria that were considered suitable as potential trial sites based on grower and adviser recommendations...
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Catalogue: GRDC Publications
Growers do not have access to varieties with resistance to the key exotic pests and disease... The project will proceed in two phases... The project is about optimizing pesticide sprayapplications by: identifying spray technologies and spray settings with low risk of spraydrift, applying pesticides in accordance with latest knowledge about pest behaviour in response to pesticides andtherefore minimizes the risk of target pests developing resistance, and by using pesticides with documented efficacyagainst target pests...
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Catalogue: GRDC Updates (North)
(QDPI & F) Graeme Schwenke Nutrient demands in high yield crops (NSW DPI) 12:42 PM Lunch 1:42 PM Concurrent session 1 (see next page for timetable) 3:12 PM Afternoon tea 3:42 PM Yield and quality losses due to crown rot in Steve barley and wheat... Overall, the higher P rate also led to increased dry matter at the plant cut stage (mid-late tillering) and at the 3 times of NDVI measurement... Overall, mustard and juncea canola have many advantages over canola, and would be better suited than canola to the drier western parts of northern NSW...
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Catalogue: GRDC Updates (South)
(QDPI & F) Graeme Schwenke Nutrient demands in high yield crops (NSW DPI) 12:42 PM Lunch 1:42 PM Concurrent session 1 (see next page for timetable) 3:12 PM Afternoon tea 3:42 PM Yield and quality losses due to crown rot in Steve barley and wheat... Overall, the higher P rate also led to increased dry matter at the plant cut stage (mid-late tillering) and at the 3 times of NDVI measurement... Overall, mustard and juncea canola have many advantages over canola, and would be better suited than canola to the drier western parts of northern NSW...
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Catalogue: GRDC Updates (West)
In summary, composts in soil management programmes (for horticulture): x Reduce nutrient leaching and consequent effects on water bodies... In summary, organic agriculture can provide yields similar to conventional agriculture using natural farm inputs in place of chemical fertilisers and sprays... The rots should be able to be minimised through good field practices, chemical control, gentle washing of carrots and keeping them cool and wet at all times...
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Catalogue: GRDC Updates (North)
Precision row placement is likely to have its greatest impact on reducing CR and CRR levels in a no-till farming system with the adoption of GPS guided controlled traffic likely to further benefit this approach... Its main impact on crop productivity has been shown to occur through the disruption of the plants ability to use water efficiently to produce grain (Figure 6)... Plant early in areas of low frost risk, such as higher slopes, and reduce the risk of frost damage by planting more than one variety and by varying planting times...
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Catalogue: GRDC Updates (South)
Precision row placement is likely to have its greatest impact on reducing CR and CRR levels in a no-till farming system with the adoption of GPS guided controlled traffic likely to further benefit this approach... Its main impact on crop productivity has been shown to occur through the disruption of the plants ability to use water efficiently to produce grain (Figure 6)... Plant early in areas of low frost risk, such as higher slopes, and reduce the risk of frost damage by planting more than one variety and by varying planting times...
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