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Catalogue: GRDC Final Reports
Chemical forms of organic P have been partially characterised in these soils... A future project using the data generated from UA00062 and using outputs from other GRDC research projects on C and N decomposition could be aimed at the construction of a combined C:N:P organic matter mineralisation model relevant to farming systems on southern Australian soils that will underpin the development of a P fertiliser decision tool... Biochemical composition (e.g. lignin content, total and water soluble P, C and N) for a number of different plant residues were measured and related to release of plant-available P as well as changes in organic P (labile, microbial and stable) pools...
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Catalogue: Ground Cover
Soil carbon changes complex and slow.. There are limits to how much C can be fixed by plants via photosynthesis each year and returned to the soil (as stubble or pastures), particularly in dryland farming systems where output is often limited by rainfall... Already relatively high in SOC at the start of the research, 1.65 per cent (total SOC in 0 to 30cm layer, 34.8t/ha), under pasture it increased over 15 years by 502kg/ha/year...
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Catalogue: GRDC Media
Time of sowing focus needed for faba beans.. Sowing within the April 20 to May 15 window in southern NSW, and preferably aiming for the first half of this window particularly in western areas, was shown to maximise yields in crops that produced six to nine tonnes per hectare dry matter (DM) with harvest indexes of 30 to 35 per cent... "To the contrary, sowing later than the sowing window can expose the slower-maturing crop to moisture and heat stress at the end of the season resulting in shorter plants, lower height of bottom pods, harvest difficulties, reduced biomass; and reduced number of flowering nodes, fewer pods and low yields."..
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Catalogue: GRDC Publications
The stubble management decisions each of these growers made in 2010-2011 were unique to the individual and were influenced by the combination of experiences, cropping systems, agronomic and logistic challenges, and commitment to full stubble retention... The value of grazing crop stubbles to farm profitability was overestimated by the ME value of the intake the value of grazing crops cannot be predicted using energy intake from stubble... Finally the burning of stubbles also contributed to weed 26Australian Glyphosate Sustainability Working Group, Australian Herbicide Resistance Institute (2013), 9 Oct 2013...
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Catalogue: NVT Online Papers
" Status of 2008 NVT trials as at January 30, 2009 Trials marked green have 2008 results available on the wesite... (02) 6881 1264 (02) 6799 1523 (02) 6971 9085 (03) 5883 1644 (02) 6799 1523 (02) 6799 1523 (02) 6971 9085 (02) 6881 1264 (02) 6881 1264 (02) 6799 1523 Trials to be harvested, results to be available on the NVT website Trials abandonned due to drought, frost, animal damage, etc... Trials harvested, analysed and results published Trials harvested, but results too variable to publish n a aa e ee ap B P yl ln eo k i a dti l c lpt r nib n e a a a ha u ie B C CFFLL O tt aa ee hh e l Ww a c yn i li t i ra ra TE M..
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Catalogue: NVT Online Papers
Trials sown to be harvested Trials abandonned due to drought, frost, animal damage, etc... Trials harvested, analysed and results published Trials harvested, but results too variable to publish a yl eo l rn aa BC a n eaa eee P B l P t a ln k a i c c a dti ie bl i n ptt eih h a ai e u r C FFLL OT W Site Name Trial Manager Contact Number Albury/Gerogery AS Wagga Wagga, David Leah (02) 6971 9085 Ariah Park AS Wagga Wagga, David Leah (02) 6971 9085 Beckom DPI Young, Steve Lyon (02) 6382 1077 Bellata DPI Narrabri, Tony Cox (02) 6799 1523 Bellata AS Narribri, Derek Litzow (02) 6792 4187 Blayney DPI Young, Steve Lyon (02) 6382 1077 Boorowa DPI Young, Steve Lyon (02) 6382 1077 Breeza DPI Narrabri, Tony Cox (02) 6799 1523 Brocklesby DPI Young, Steve Lyon (02) 6382 1077 Canowindra DPI Young, Steve Lyon (02) 6382 1077 Coleambally DPI Young, Steve Lyon (02) 6382 1077 Condobolin DPI Young.. David Leah (02) 6971 9085 Harden DPI Young, Steve Lyon (02) 6382 1077 Harden AS Wagga Wagga, David Leah (02) 6971 9085 Hillston DPI Young, Steve Lyon (02) 6382 1077 Lockhart DPI Young, Steve Lyon (02) 6382 1077 Lockhart DPI Finley, Gary Bond (03) 5883 1644 Lockhart AS Wagga Wagga, David Leah (02) 6971 9085 Mayrung DPI Finley, Gary Bond (03) 5883 1644 Merriwagga DPI Young, Steve Lyon (02) 6382 1077 Mullaley AS Narribri, Derek Litzow (02) 6792 4187 Narrabri DPI Narrabri, Tony Cox (02) 6799 1523 Nyngan DPI Dubbo, Scott Boyd (02) 6881 1264 Oaklands DPI Finley, Gary Bond (03) 5883 1644 Parkes AS Wagga Wagga, David Leah (02) 6971 9085 Quandialla DPI Young, Steve Lyon (02) 6382 1077 Spring Ridge DPI Gunnedah, Dougal Pottie (02) 6741 8372 Tamworth DPI Gunnedah, Dougal Pottie (02) 6741 8372 Temora DPI Young..
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Catalogue: GRDC Media
Grain Flashes logo.. The workshop is one of three being held in the southern cropping region to provide agronomists, consultants and advisers with a better understanding of the factors that influence water use efficiency (WUE) and which management practices and strategies are delivering maximum value from rainfall on-farm... CAPTION: Achieving more grain from rain is the theme of a workshop to be held at Wagga Wagga in New South Wales..
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Catalogue: GRDC Media
Western Australian grower and inventor of the renowned Harrington Seed Destructor, Ray Harrington, will be a keynote speaker at a series of one day workshops aimed at addressing management strategies for the region's most problematic weeds through the destruction of weed seedbanks and use of integrated control options to improve cropping options and profitability... According to workshop organiser John Cameron, the inclusion of Mr Harrington and fellow West Australian, Peter Newman from the Australian Herbicide Resistance Initiative (AHRI), in the speaker line up was a coup for the eastern states industry which is grappling with on-going resistance issues... The workshops are run by ICAN Rural as part of a new project supported by the Grains Research and Development Corporation (GRDC) and being held in partnership with WeedSmart, an industry-led initiative managed by AHRI which is aimed at enhancing on-farm practices and promoting the long term sustainability of herbicide use in Australian agriculture...
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Catalogue: NVT Online Papers
Trials harvested and results available on the NVT database Trials harvested but results are too variable to be published Trials not harvested due to drought affects Two trials at that site; one success, one failure.. Steve Lyon AS Wagga Wagga, David Leah DPI Young, Steve Lyon DPI Yanco, Kerry Clarke AS Wagga Wagga, David Leah DPI Young, Steve Lyon DPI Yanco, Kerry Clarke DPI.. Cox AS Narribri, Derek Litzow DPI Narrabri, Tony Cox DPI Dubbo, Scott Boyd DPI Yanco, Kerry Clarke AS Wagga Wagga, David Leah DPI Young, Steve Lyon DPI Gunnedah, Dougal Pottie DPI Gunnedah, Dougal Pottie DPI Yanco, Kerry Clarke DPI Young, Steve Lyon DPI Dubbo, Scott Boyd DPI Dubbo, Scott Boyd DPI Narrabri, Tony Cox DPI Yanco, Kerry Clarke AS Wagga Wagga, David Leah DPI Narrabri, Tony Cox AS Narribri, Derek Litzow DPI Narrabri, Tony Cox DPI Yanco, Kerry Clarke DPI Dubbo, Scott Boyd AS Wagga Wagga, David Leah AS Wagga Wagga, David Leah DPI Dubbo, Scott Boyd DPI Narrabri, Tony Cox DPI Yanco..
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Catalogue: GRDC Media
Dealing with frost, the latest in canola from overseas, weeds, pests and diseases were high on the agenda at these events, with hundreds of farm advisers travelling to get the latest tactical agronomy information direct from GRDC's research partners... The keynote speaker at the main Update at Wagga Wagga was Canadian researcher and leading canola expert Malcolm Morrison on the practices behind yield gains in his home country, drawing parallels with common problems faced by farmers growing canola in two very different cropping environments... Also of high interest were presentations on GRDC's National Frost Initiative and related work on minimising and mitigating frost damage, early sowing for wheat and canola, the pros and cons of strategic tillage, managing herbicide resistant weeds and tips for reducing beet western yellows by controlling green peach aphid populations...
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