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Catalogue: GRDC Final Reports
Validations on plot trials produced an R 2 of 0.97 between simulated and measured plant N (g N m -2 )... Fitzgerald et al. 2010 reported a correlation with an R 2 = 0.97 between predicted and measured total plant N (g N m -2 ) based on relating the CCCI to the Canopy Nitrogen Index (CNI) - an index that relates biomass to plant N. This relationship was validated with additional plot level data from Australia and Italy, resulting in an R 2 of 0.97 of predicted with measured plant N (g N m -2 ) and an RMSE of 0.2 g N m -2 as reported in Cammarano et al. 2011b... In the short term, there is a need for a workshop to fully identify the knowledge gaps, and develop a plan for research leading to new capabilities and deliverables to growers and consultants...
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Catalogue: GRDC Research Summaries
The project will deliver validated indices derived from remote sensing that can spatially measure and map canopy-level crop nitrogen (N) status within rainfed wheat systems... Remote sensing (spectral and thermal) combined with crop models can provide maps showing chronic and acute water stress areas that can guide N management strategies within the context of potential for response to targeted N inputs... Results from trials in Australia and Italy show ability to relate remote sensing measurements at the plot scale to plant N, based on remote sensing of the canopy and biomass measurements...
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Catalogue: GRDC Factsheets
Optimal timing between applications is dependent upon the herbicides used and the weeds being targeted... The most common double Knock approach is to apply a systemic herbicide (for example Groups A, i or M are frequently used) when conditions are favourable for maximum translocation, and then follow it with a contact herbicide such as the bipyridyls (Group L)... double Knock trial results show consistently high performance when applied to small weeds (prior to tillering for grass weeds and prior to stem elongation for broadleafs) and the applications are applied on time with correct application set-up and climatic conditions...
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Catalogue: GRDC Factsheets
Optimal timing between applications is dependent upon the herbicides used and the weeds being targeted... The most common double Knock approach is to apply a systemic herbicide (for example Groups A, i or M are frequently used) when conditions are favourable for maximum translocation, and then follow it with a contact herbicide such as the bipyridyls (Group L)... double Knock trial results show consistently high performance when applied to small weeds (prior to tillering for grass weeds and prior to stem elongation for broadleafs) and the applications are applied on time with correct application set-up and climatic conditions...
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Catalogue: GRDC Factsheets
Optimal timing between applications is dependent upon the herbicides used and the weeds being targeted... The most common double Knock approach is to apply a systemic herbicide (for example Groups A, i or M are frequently used) when conditions are favourable for maximum translocation, and then follow it with a contact herbicide such as the bipyridyls (Group L)... double Knock trial results show consistently high performance when applied to small weeds (prior to tillering for grass weeds and prior to stem elongation for broadleafs) and the applications are applied on time with correct application set-up and climatic conditions...
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Catalogue: GRDC Updates (West)
The collation of the information into a recently developed database has provided a summary of the 2005 and 2006 reports... Higher rate observed at site 1 is due to the soil having a higher soil carbon levels (1.2%) compare to site 2 (0.8%) and lower amounts of net immobilisation... When all stubble fractions are incorporated into the amount soil inorganic nitrogen immobilised can be up to 45 kg N/ha...
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Catalogue: GRDC Publications
2013 GRDC Farm Business Update for Growers and Advisers - Launceston 77 Once we introduced this strategy to our clients not only did it save them tax initially we noticed another interesting phenomenon and this is demonstrated in the figure below... To encourage reflection, a program or timetable is required to ensure reflection takes place... (Please circle) YES/NO 2013 GRDC Farm Business Update for Growers and Advisers - Launceston 109 5 - Please indicate your degree of satisfaction with the presentations on a scale of 0 to 10 where 0 is totally unsatisfacto,r 5yis moderately satisfactory and 10 is totally satisfactory in regards to: a)How relevant the information presented is to you in working with your rural clients b) How easy it was to understand c)How useful it will be to you when workingwith your clients Easy to Relevance Usefulness Comment understand Local, National and global economic outlook and the potential impact for Tasmanian agriculture Saul Eslake ............................................... ............................................... .................................................
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Catalogue: GRDC Publications
2013 GRDC Farm Business Update for Growers and Advisers - Launceston 77 Once we introduced this strategy to our clients not only did it save them tax initially we noticed another interesting phenomenon and this is demonstrated in the figure below... To encourage reflection, a program or timetable is required to ensure reflection takes place... (Please circle) YES/NO 2013 GRDC Farm Business Update for Growers and Advisers - Launceston 109 5 - Please indicate your degree of satisfaction with the presentations on a scale of 0 to 10 where 0 is totally unsatisfacto,r 5yis moderately satisfactory and 10 is totally satisfactory in regards to: a)How relevant the information presented is to you in working with your rural clients b) How easy it was to understand c)How useful it will be to you when workingwith your clients Easy to Relevance Usefulness Comment understand Local, National and global economic outlook and the potential impact for Tasmanian agriculture Saul Eslake ............................................... ............................................... .................................................
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Catalogue: GRDC Factsheets
Safety is a three-step process - identify hazards, assess risk and address the hazard... Most lids still require a climb to the top of the silo to inspect rubber seals and latch the lid before the silo will meet a half-life pressure test, required for effective fumigation... Safe and sound on the ground: Ground-operated lids reduce the number of times a silo has to be climbed, but most situations require a climb to secure the lid for effective fumigation...
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Catalogue: GRDC Publications
Overall, global recovery is expected to broaden over the medium term provided systemic risks continue to dissipate; new structural policies emerge; and financial conditions remain supportive and orderly... 2014 GRDC Farm Business Update for Growers and Advisers - Merredin WA 34 Over the last twenty years we have seen an over emphasis in relation to the science of agriculture... 2014 GRDC Farm Business Update for Growers and Advisers - Merredin WA 51 Once you have determined your requirements over the next 8-10 years you need to attribute an estimate of the likely cost of replacing this equipment...
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