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GRDC Research Summaries

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We will use the APSIM and GRAZPLAN agricultural simulation models extensively in this project... enabling the range of participants in Grain and Graze to more clearly understand the "value proposition" for mixed farming: when, where, why and how crops and livestock should be integrated The results of our research will be delivered to each of the 7 Grain & Graze regions and also to national stakeholders (in particular the Australian Government)... We will review the conceptual basis for integration in mixed farming, to help Grain & Graze participants think more clearly about integration que...
" Contribution towards Managing Climate Variability Program Phase 2 Project Code: LWR00006 < Keep browsing..
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" Facilitating increased on-farm adoption of broadleaf species in crop sequences to improve grain production and profitability.. The area sown to pulse legume crops or canola has dramatically declined in the past 8-10 years, and despite 65-70% of southern grain region still growing pastures in rotation with crops, many of these pastures tend to have low legume contents and provide little nitrogen benefit to following crops... There are many good reasons why growers have reduced the frequency of use of broadleaf species in recent years related to late starts to the growing season, drought ...
The likely economic costs and benefits of changing management to sequester and maintain more carbon (C) in soils; sequestering C in vegetation by planting woody perennials; producing feedstock materials for conversion into biochar or; using the same feedstock material to generate biomass energy will determined by modelling them individually using applicable biophysical and economic coefficients... This will reveal the most financially attractive package of actions for farmers to mitigate GHGs, likely changes in enterprise mix and how the profit and net emissions for the whole farm may chan...
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The aim of the project is to work with leading growers in the North East Farming Futures Group (encompassing Mullewa Landcare Group, Yuna Farm Improvement Group, Morawa Farming Improvement Group) to develop on farm research trials... The trials the season would be to develop herbicide application protocols and herbicide mixtures for use with boomsprayers equipped with weedseeker technology... The technology is pivotal in cost effective weed control of (the ever increasing problem) multiple herbicide group resistant wild radish, Glyphosate tolerant.....
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The program of research developed around this position focuses on novel approaches to grain crop improvement in water-limited environments... It emphasises the design and testing of crop production systems that optimise combinations of genetic attributes (G) and agronomic management (M) in variable water-limited environments (E) using a systems analysis and modelling approach... The ways genes, environments and management systems interact to affect crop productivity has been captured in mathematical algorithms that turn computers into virtual paddocks, allowing simulated field trials to im...
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" Core DRT Database to Support the Ground Application of Pesticides (boom sprayer), accommodating Nozzles, Formulations and Adjuvants.. The Australian Pesticides and Veterinary Medicines Authority (APVMA) recently implemented new policy requiring new pesticides to be assessed for the potential risk of spray drift, but has indicated that it will consider submission of further data by stakeholders to develop a drift reduction factor model, incorporating the use of new technology low drift spray nozzles, shrouds and spray additives... New research will fine-tune best practice spray approach..
Most resistance is in annual ryegrass, but resistance has recently been confirmed in 2 populations of barnyard grass and is suspected in liverseed grass... The loss of glyphosate complicates weed management in no-till and minimum-till cropping systems that rely heavily on glyphosate... The intensive use of glyphosate in certain situations has resulted in the evolution of glyphosate resistance in three weed species...
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